{"title":"Chassis Subharnesses","description":"\u003cp\u003eHonda chassis subharnesses for EF, EG, EK, DA, DC, DC2, BB, and universal platforms. B, D, and K-Series compatible.\u003c\/p\u003e","products":[{"product_id":"99-00-civic-ek-obd2b-b-d-series-chassis-subharness","title":"B \/ D-Series Chassis Subharness – 99-00 Honda Civic EK OBD2B Swap | VTI","description":"\u003ch1\u003eB \/ D-Series Chassis Subharness – 99-00 Honda Civic EK OBD2B Swap | VTI\u003c\/h1\u003e\u003ch2\u003eClean Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI B \u0026amp; D-Series chassis subharness provides a structured, reliable interface between your engine harness and the factory chassis wiring on your 99-00 Honda Civic EK. Proper signal routing, OEM-style connector interfaces, and labeled leads — everything you need for a clean swap without hacking up your interior wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTachometer signal routing\u003c\/li\u003e\n\u003cli\u003eMIL \/ Check Engine Light integration\u003c\/li\u003e\n\u003cli\u003eVehicle Speed Sensor routing (where applicable)\u003c\/li\u003e\n\u003cli\u003eOEM-style chassis connector interface\u003c\/li\u003e\n\u003cli\u003eLabeled ECU-side leads for simplified installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eConstruction Tiers\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet-Spec\u003c\/strong\u003e — TXL automotive-grade wire, OEM-style connectors, reliable street and performance use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMil-Spec\u003c\/strong\u003e — Mil-spec Tefzel wire, OEM-quality connectors and terminals, increased heat resistance and long-term durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBoth options maintain full plug-and-play compatibility with VTI B\/D-Series engine harnesses.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eB16, B18, B20\u003c\/li\u003e\n\u003cli\u003eD15, D16\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Chassis integration subharness only. Main engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Budget Spec","offer_id":47185852629184,"sku":"SUB-9900-TUCK","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec","offer_id":47185852694720,"sku":"vti22","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_EK_Civic_99-00_OBD2B_Engine_Harness_Subharness_VTI.jpg?v=1772577934"},{"product_id":"96-98-civic-ek-obd2a-b-d-series-chassis-subharness","title":"B \/ D-Series Chassis Subharness – 96-98 Honda Civic EK OBD2A Swap | VTI","description":"\u003ch1\u003eB \/ D-Series Chassis Subharness – 96-98 Honda Civic EK OBD2A Swap | VTI\u003c\/h1\u003e\u003ch2\u003eClean Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI B \u0026amp; D-Series chassis subharness provides a structured, reliable interface between your engine harness and the factory chassis wiring on your 96-98 Honda Civic EK. Proper signal routing, OEM-style connector interfaces, and labeled leads — everything you need for a clean swap without hacking up your interior wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTachometer signal routing\u003c\/li\u003e\n\u003cli\u003eMIL \/ Check Engine Light integration\u003c\/li\u003e\n\u003cli\u003eVehicle Speed Sensor routing (where applicable)\u003c\/li\u003e\n\u003cli\u003eOEM-style chassis connector interface\u003c\/li\u003e\n\u003cli\u003eLabeled ECU-side leads for simplified installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eB16, B18, B20\u003c\/li\u003e\n\u003cli\u003eD15, D16\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eConstruction\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wire\u003c\/li\u003e\n\u003cli\u003eOEM-style connector interfaces\u003c\/li\u003e\n\u003cli\u003eProfessionally loomed and strain relieved\u003c\/li\u003e\n\u003cli\u003eBuilt and inspected in-house\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBudget-Spec configuration. Mil-spec or custom routing options available upon request.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Chassis integration subharness only. Main engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Budget","offer_id":47188837368000,"sku":"SUB-EK-MILSPEC-9698","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec","offer_id":47188837400768,"sku":"vti27","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_EK_Civic_96-98_Engine_Harness_Subharness_Adapter_VTI.jpg?v=1772577934"},{"product_id":"obd2-to-obd1-ecu-adapter","title":"OBD2A \/ OBD2B to OBD1 ECU Adapter Harness – Mil-Spec | VTI","description":"\u003ch1\u003eOBD2A \/ OBD2B to OBD1 ECU Adapter Harness – Mil-Spec | VTI\u003c\/h1\u003e\u003cp\u003eNot all adapters are created equal. VTI's OBD2A and OBD2B to OBD1 ECU adapter harnesses are designed, tested, and manufactured in-house — built to the same mil-spec standards as our full engine harnesses. These are not cookie-cutter eBay adapters.\u003c\/p\u003e\u003cp\u003eIf you're running an OBD1 ECU conversion, Hondata S300, chipped P28\/P72, or any professional motorsport build that demands reliable ECU connectivity — this is the adapter you want.\u003c\/p\u003e\u003ch2\u003eWhy VTI Adapters Are Different\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue OEM OBD1 ECU connectors\u003c\/strong\u003e — durable, tested fitment every time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM22759\/32 Mil-Spec Tefzel wire\u003c\/strong\u003e — lightweight, abrasion \u0026amp; heat resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, loom-free routing\u003c\/strong\u003e — professional autosport splice points, no bulky shrink wrap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play install\u003c\/strong\u003e — drops directly into your stock OBD2A or OBD2B harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA\u003c\/strong\u003e — designed, tested, and built at VTEC Innovations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWire: M22759\/32 20AWG Mil-Spec Tefzel\u003c\/li\u003e\n\u003cli\u003eBuild Style: Autosport splice — no loom\u003c\/li\u003e\n\u003cli\u003eConnector Type: Genuine OEM OBD1 ECU\u003c\/li\u003e\n\u003cli\u003eOptions: OBD2A → OBD1 \/ OBD2B → OBD1\u003c\/li\u003e\n\u003cli\u003eWarranty: Backed by VTI's professional autosport quality guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOBD1 ECU conversions on OBD2A\/OBD2B chassis\u003c\/li\u003e\n\u003cli\u003eHondata S300 \/ chipped P28 \/ P72 setups\u003c\/li\u003e\n\u003cli\u003eProfessional motorsport and track builds\u003c\/li\u003e\n\u003cli\u003eAnyone who refuses to trust a cheap eBay adapter on their build\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1x VTI OBD2A or OBD2B to OBD1 ECU Adapter Harness\u003c\/li\u003e\n\u003cli\u003eInstall guide PDF (download)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VTI","offers":[{"title":"OBD2B","offer_id":47175426212032,"sku":"VTI-ADP-OBD2B-OBD1","price":99.0,"currency_code":"USD","in_stock":true},{"title":"OBD2A","offer_id":47175426244800,"sku":"VTI-ADP-OBD2A-OBD1","price":99.0,"currency_code":"USD","in_stock":true},{"title":"2B Harness to 2A ECU","offer_id":47380396441792,"sku":"VTI-ADP-OBD2B-OBD1","price":125.0,"currency_code":"USD","in_stock":true},{"title":"2A Harness to 2B ECU","offer_id":47380396474560,"sku":"VTI-ADP-OBD2B-OBD2","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/F17B5E9D-18C4-42B2-8418-48839E460CA3.jpg?v=1767924974"},{"product_id":"obd2a-to-obd2a-obd1-ecu-jumper-cr-v-auto-hondata-dual-ecu-adapter","title":"OBD2A to OBD2A + OBD1 ECU Jumper – CR-V Auto \/ Hondata Dual ECU Adapter","description":"\u003cp\u003e\u003cstrong\u003e🔌 CR-V Dual ECU Jumper Harness – OBD2A to OBD2A + OBD1 | VTEC Innovations\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThis custom in-house adapter is built to allow dual ECU operation\u003c\/strong\u003e in \u003cstrong\u003e1997–2001 Honda CR-V automatic chassis\u003c\/strong\u003e. It cleanly splits your factory \u003cstrong\u003eOBD2A ECU plug\u003c\/strong\u003e into one \u003cstrong\u003eOBD2A output\u003c\/strong\u003e for stock automatic\/dash controls and one \u003cstrong\u003eOBD1 output\u003c\/strong\u003e for standalone\/tuning ECUs like \u003cstrong\u003eHondata or Neptune\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eNo cutting or pin-swapping required — this harness lets you \u003cstrong\u003eretain full factory functionality\u003c\/strong\u003e while seamlessly adding a programmable OBD1 ECU for tuning control.\u003c\/p\u003e\u003cp\u003eBuilt with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOEM-spec OBD2A and OBD1 ECU connectors\u003c\/li\u003e\n\u003cli\u003eMil-spec \u003cstrong\u003eM22759\/32 Tefzel wire\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully loomed with Raychem ATUM\u003c\/strong\u003e and high-temp braid\u003c\/li\u003e\n\u003cli\u003eProperly routed and sealed for drop-in install\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✅ Key Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConverts OBD2A chassis to support \u003cstrong\u003eOBD2A (auto ECU) + OBD1 (tuned ECU)\u003c\/strong\u003e in parallel\u003c\/li\u003e\n\u003cli\u003eMaintains factory automatic transmission, gauges, and accessories\u003c\/li\u003e\n\u003cli\u003eSupports Hondata, Neptune, chipped OBD1 ECUs\u003c\/li\u003e\n\u003cli\u003eClean install — plug-and-play, no permanent modifications\u003c\/li\u003e\n\u003cli\u003eBuilt and tested in-house using motorsport-grade materials\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e📦 Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1997–2001 Honda CR-V (OBD2A, automatic)\u003c\/li\u003e\n\u003cli\u003eOther OBD2A Honda platforms with auto + tuning needs (if pinout matches)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e🔥 Ideal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAuto CR-Vs needing Hondata\/Neptune support\u003c\/li\u003e\n\u003cli\u003eJDM or tuned B\/D-series swaps retaining stock auto ECU\u003c\/li\u003e\n\u003cli\u003eDual ECU control without cutting or repinning\u003c\/li\u003e\n\u003cli\u003eStandalone installs with dash + trans functionality\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Default Title","offer_id":47175426343104,"sku":"2ABJDECUCRV","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/6ED4A238-4201-4E55-9214-D515BFA0CAFD.jpg?v=1767924978"},{"product_id":"honda-vtec-volenoid-pressure-switch-conversion-harness-obd1-ecu","title":"Honda VTEC Solenoid \u0026 Pressure Switch Conversion Harness – OBD1 ECU","description":"\u003ch2 data-start=\"489\" data-end=\"552\"\u003e\u003cstrong data-start=\"492\" data-end=\"552\"\u003eHonda VTEC Solenoid \u0026amp; Pressure Switch Conversion Harness\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"554\" data-end=\"775\"\u003eThis VTEC solenoid and pressure switch conversion harness is designed for \u003cstrong data-start=\"628\" data-end=\"662\"\u003eOBD1 ECU VTEC conversion swaps\u003c\/strong\u003e, including B-series non-VTEC to VTEC conversions and other applications where dedicated VTEC wiring is required.\u003c\/p\u003e\n\u003cp data-start=\"777\" data-end=\"964\"\u003eThe harness provides proper wiring from the engine bay to the ECU using correct OBD1 ECU pins, allowing VTEC control to function as intended on P28, chipped OBD1 ECUs, and similar setups.\u003c\/p\u003e\n\u003chr data-start=\"966\" data-end=\"969\"\u003e\n\u003ch2 data-start=\"971\" data-end=\"1012\"\u003e\u003cstrong data-start=\"974\" data-end=\"1012\"\u003eDesigned for OBD1 VTEC Conversions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1014\" data-end=\"1256\"\u003eThis harness supports common VTEC conversion scenarios where the factory chassis or engine harness does not include VTEC wiring. It is ideal for LS-VTEC builds, D-series VTEC conversions, and custom engine setups using OBD1 engine management.\u003c\/p\u003e\n\u003cp data-start=\"1258\" data-end=\"1385\"\u003eAll wiring is properly terminated to support ECU-controlled VTEC engagement and, when applicable, VTEC oil pressure monitoring.\u003c\/p\u003e\n\u003chr data-start=\"1387\" data-end=\"1390\"\u003e\n\u003ch2 data-start=\"1392\" data-end=\"1431\"\u003e\u003cstrong data-start=\"1395\" data-end=\"1431\"\u003eSelectable Configuration Options\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1433\" data-end=\"1537\"\u003eThis VTEC conversion harness is available in two selectable configurations to match your specific setup.\u003c\/p\u003e\n\u003cp data-start=\"1539\" data-end=\"1732\"\u003eThe VTEC solenoid–only option includes the wiring and ECU pin required for VTEC solenoid control, commonly used for P28 or chipped OBD1 ECU setups where a pressure switch input is not required.\u003c\/p\u003e\n\u003cp data-start=\"1734\" data-end=\"1940\"\u003eThe complete VTEC solenoid and pressure switch option includes wiring for both the VTEC solenoid and the VTEC oil pressure switch, providing everything needed for a full VTEC conversion with ECU monitoring.\u003c\/p\u003e\n\u003cp data-start=\"1942\" data-end=\"2038\"\u003eSelection is made at checkout to ensure the correct configuration is built for your application.\u003c\/p\u003e\n\u003chr data-start=\"2040\" data-end=\"2043\"\u003e\n\u003ch2 data-start=\"2045\" data-end=\"2078\"\u003e\u003cstrong data-start=\"2048\" data-end=\"2078\"\u003eMil-Spec Wire Construction\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2080\" data-end=\"2238\"\u003eThis harness is built in-house using \u003cstrong data-start=\"2117\" data-end=\"2162\"\u003etop-tier mil-spec M22759\/32 (Tefzel) wire\u003c\/strong\u003e, offering excellent heat resistance, durability, and long-term reliability.\u003c\/p\u003e\n\u003cp data-start=\"2240\" data-end=\"2486\"\u003eHarness length is approximately \u003cstrong data-start=\"2272\" data-end=\"2311\"\u003eOEM length plus one additional foot\u003c\/strong\u003e, providing extra flexibility for routing in swapped or tucked engine bay configurations. Loom is applied where appropriate, with DR-25 used when loomed sections are required.\u003c\/p\u003e\n\u003chr data-start=\"2488\" data-end=\"2491\"\u003e\n\u003ch2 data-start=\"2493\" data-end=\"2545\"\u003e\u003cstrong data-start=\"2496\" data-end=\"2545\"\u003eOEM-Style Connectors \u0026amp; Proper ECU Termination\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2547\" data-end=\"2778\"\u003eOEM-style engine bay connectors are used to ensure proper fitment at the VTEC solenoid and pressure switch. ECU-side wiring is terminated with correct OBD1 ECU pins for direct insertion into compatible ECUs or conversion harnesses.\u003c\/p\u003e\n\u003cp data-start=\"2780\" data-end=\"2858\"\u003eThis ensures a clean, professional installation without splicing or guesswork.\u003c\/p\u003e\n\u003chr data-start=\"2860\" data-end=\"2863\"\u003e\n\u003ch2 data-start=\"2865\" data-end=\"2885\"\u003e\u003cstrong data-start=\"2868\" data-end=\"2885\"\u003eCompatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2887\" data-end=\"2988\"\u003eDesigned for OBD1 ECU applications including P28 and chipped OBD1 ECUs used in VTEC conversion swaps.\u003c\/p\u003e\n\u003cp data-start=\"2990\" data-end=\"3136\"\u003eCommon applications include B-series non-VTEC to VTEC conversions, D-series VTEC swaps, and custom engine setups requiring standalone VTEC wiring.\u003c\/p\u003e\n\u003chr data-start=\"3138\" data-end=\"3141\"\u003e\n\u003ch2 data-start=\"3143\" data-end=\"3165\"\u003e\u003cstrong data-start=\"3146\" data-end=\"3165\"\u003eImportant Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3167\" data-end=\"3256\"\u003eThis harness is intended for VTEC-capable ECUs and properly configured engine management.\u003c\/p\u003e\n\u003cp data-start=\"3258\" data-end=\"3336\"\u003eInstaller is responsible for ensuring ECU calibration supports VTEC operation.\u003c\/p\u003e\n\u003cp data-start=\"3338\" data-end=\"3436\"\u003eThis product is built in-house by VTEC Innovations using professional motorsport wiring practices.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"VTEC Solenoid ONLY","offer_id":47311383036096,"sku":"VTEC-PGT-DUAL-OBD1","price":25.0,"currency_code":"USD","in_stock":true},{"title":"VTEC \u0026 Pressure Switch","offer_id":47311383068864,"sku":"VTEC-PGT-DUAL-OBD2","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/IMG-2026-05-25-182034.jpg?v=1779747664"},{"product_id":"99-01-civic-ek-k-series-chassis-subharness-kswap","title":"K-Series Chassis Subharness – 99-01 Honda Civic EK K-Swap | VTI","description":"\u003ch1\u003eK-Series Chassis Subharness – 99-01 Honda Civic EK K-Swap | VTI\u003c\/h1\u003e\u003ch2\u003eClean K-Swap Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI K-Series chassis subharness provides a clean, reliable connection between your K20 or K24 engine harness and the factory chassis wiring of your 99-01 Honda Civic EK. Proper signal routing, OEM-style connectors, and labeled leads — everything you need for a clean K-swap without hacking up your interior wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTachometer signal routing\u003c\/li\u003e\n\u003cli\u003eMIL \/ Check Engine Light support\u003c\/li\u003e\n\u003cli\u003eVehicle Speed Sensor integration\u003c\/li\u003e\n\u003cli\u003eOEM-style chassis connector interface\u003c\/li\u003e\n\u003cli\u003eLabeled ECU-side termination leads\u003c\/li\u003e\n\u003cli\u003eCompatible with Hondata and most standalone ECU systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eK20A, K20A2, K20Z\u003c\/li\u003e\n\u003cli\u003eK24A, K24A2\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eConstruction\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wiring\u003c\/li\u003e\n\u003cli\u003eOEM-style connector interfaces\u003c\/li\u003e\n\u003cli\u003eClean routing and strain relief\u003c\/li\u003e\n\u003cli\u003eBuilt and inspected in-house\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCustom bulkhead or motorsport configurations available upon request.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Chassis integration subharness only. Main K-Series engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Default Title","offer_id":47189683994816,"sku":"vti36","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_99_01_Civic_EK_K-swap_chassis_subharness_plug_and_play_wiring.webp?v=1770729763"},{"product_id":"chassis-adapter-relay-fuse-box-street-spec","title":"Honda Fuse \u0026 Relay Panel with Integrated Switch Control – Plug \u0026 Play Power Distribution","description":"\u003ch2 data-start=\"1209\" data-end=\"1266\"\u003e\u003cstrong data-start=\"1209\" data-end=\"1266\"\u003eIntegrated Fuse, Relay, and Switch Panel Power System\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1209\" data-end=\"1266\"\u003eThis fuse and relay panel with integrated switch control is designed to provide a \u003cstrong data-start=\"1366\" data-end=\"1416\"\u003eclean, centralized power distribution solution\u003c\/strong\u003e for Honda engine swaps, custom wiring builds, and tucked engine bay applications. The system replaces scattered relays, inline fuses, and ad-hoc wiring with a structured, serviceable layout.\u003c\/p\u003e\n\u003cp data-start=\"1609\" data-end=\"1774\"\u003eDesigned to pair seamlessly with \u003cstrong data-start=\"1642\" data-end=\"1679\"\u003eVTEC Innovations engine harnesses\u003c\/strong\u003e, this panel simplifies ignition power, fuel pump control, fan control, and auxiliary circuits.\u003c\/p\u003e\n\u003chr data-start=\"1776\" data-end=\"1779\"\u003e\n\u003ch2 data-start=\"1781\" data-end=\"1792\"\u003e\u003cstrong data-start=\"1793\" data-end=\"1854\"\u003eClean Power Distribution for Engine Swaps \u0026amp; Custom Builds\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1793\" data-end=\"1854\"\u003eThis system allows critical vehicle functions to be powered and controlled from a single panel, reducing wiring clutter while improving reliability and serviceability. It is ideal for builds where the factory fuse box has been removed, relocated, or simplified.\u003c\/p\u003e\n\u003cp data-start=\"2135\" data-end=\"2163\"\u003eCommon applications include:\u003c\/p\u003e\n\u003cul data-start=\"2164\" data-end=\"2275\"\u003e\n\u003cli data-start=\"2164\" data-end=\"2180\"\u003e\n\u003cp data-start=\"2166\" data-end=\"2180\"\u003eEngine swaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2181\" data-end=\"2203\"\u003e\n\u003cp data-start=\"2183\" data-end=\"2203\"\u003eTucked engine bays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2204\" data-end=\"2242\"\u003e\n\u003cp data-start=\"2206\" data-end=\"2242\"\u003eTrack cars and street\/strip builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2243\" data-end=\"2275\"\u003e\n\u003cp data-start=\"2245\" data-end=\"2275\"\u003eCustom standalone ECU setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2277\" data-end=\"2369\"\u003eThe result is a \u003cstrong data-start=\"2293\" data-end=\"2328\"\u003eprofessional-grade power layout\u003c\/strong\u003e that is easy to troubleshoot and expand.\u003c\/p\u003e\n\u003chr data-start=\"2371\" data-end=\"2374\"\u003e\n\u003ch2 data-start=\"2376\" data-end=\"2387\"\u003e\u003cstrong data-start=\"2388\" data-end=\"2432\"\u003eSwitch Panel Integration \u0026amp; Control Logic\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2388\" data-end=\"2432\"\u003eThe integrated switch control allows designated circuits to be toggled directly from the panel, making it suitable for ignition power, starter control, fuel pump activation, cooling fans, and auxiliary accessories.\u003c\/p\u003e\n\u003cp data-start=\"2666\" data-end=\"2849\"\u003eSwitch logic is designed to work in conjunction with relays, ensuring \u003cstrong data-start=\"2736\" data-end=\"2768\"\u003elow-current switch operation\u003c\/strong\u003e while maintaining proper high-current load handling through fused relay outputs.\u003c\/p\u003e\n\u003chr data-start=\"2851\" data-end=\"2854\"\u003e\n\u003ch2 data-start=\"2856\" data-end=\"2867\"\u003e\u003cstrong data-start=\"2868\" data-end=\"2898\"\u003eModular, Expandable Design\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2868\" data-end=\"2898\"\u003eThis fuse and relay system is designed with expansion in mind. Extra fused and relay-controlled outputs allow future additions such as additional fans, pumps, lighting, or accessories without reworking the core wiring.\u003c\/p\u003e\n\u003cp data-start=\"3136\" data-end=\"3253\"\u003eThe modular layout keeps wiring organized and allows circuits to be added or reassigned cleanly as the build evolves.\u003c\/p\u003e\n\u003chr data-start=\"3255\" data-end=\"3258\"\u003e\n\u003ch2 data-start=\"3260\" data-end=\"3271\"\u003e\u003cstrong data-start=\"3272\" data-end=\"3303\"\u003eCompatibility \u0026amp; Integration\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3272\" data-end=\"3303\"\u003eThis panel is designed to integrate cleanly with \u003cstrong data-start=\"3370\" data-end=\"3407\"\u003eVTEC Innovations engine harnesses\u003c\/strong\u003e, including \u003cstrong data-start=\"3419\" data-end=\"3434\"\u003eStreet-Spec\u003c\/strong\u003e and \u003cstrong data-start=\"3439\" data-end=\"3451\"\u003eMil-Spec\u003c\/strong\u003e configurations. It can also be used as a standalone power distribution solution for custom wiring projects.\u003c\/p\u003e\n\u003cp data-start=\"3561\" data-end=\"3635\"\u003eCompatibility depends on vehicle configuration and intended circuit usage.\u003c\/p\u003e\n\u003cp data-start=\"3637\" data-end=\"3787\"\u003e👉 For chassis-specific or advanced configurations, please use our\u003cbr data-start=\"3703\" data-end=\"3706\"\u003e\u003ca href=\"https:\/\/www.vtecinnovations.com\/pages\/contact\" target=\"_blank\" title=\"Custom Harness Inquiry Form\" rel=\"noopener\"\u003e\u003cstrong data-start=\"3706\" data-end=\"3736\"\u003eCustom Wiring Inquiry Form\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr data-start=\"3789\" data-end=\"3792\"\u003e\n\u003ch2 data-start=\"3794\" data-end=\"3805\"\u003e\u003cstrong data-start=\"3806\" data-end=\"3829\"\u003eIncluded Components\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3806\" data-end=\"3829\"\u003eThis system includes:\u003c\/p\u003e\n\u003cul data-start=\"3869\" data-end=\"4008\"\u003e\n\u003cli data-start=\"3869\" data-end=\"3902\"\u003e\n\u003cp data-start=\"3871\" data-end=\"3902\"\u003eFuse and relay panel assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3903\" data-end=\"3930\"\u003e\n\u003cp data-start=\"3905\" data-end=\"3930\"\u003eIntegrated switch panel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3931\" data-end=\"4008\"\u003e\n\u003cp data-start=\"3933\" data-end=\"4008\"\u003eLabeled relay and fuse positions for common engine and accessory circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4010\" data-end=\"4071\"\u003e\u003cem data-start=\"4010\" data-end=\"4071\"\u003e(Exact circuit layout may vary depending on configuration.)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"VTI","offers":[{"title":"K-Series","offer_id":47311027404992,"sku":"vti231","price":445.0,"currency_code":"USD","in_stock":true},{"title":"B\/D-Series","offer_id":47311027437760,"sku":"vti232","price":445.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/D-_-B-Series-Universal-Chassis-Fuse-Box-_-Switch-Panel-Carrot-Top-Tuning-36050294.webp?v=1770523829"},{"product_id":"97-01-prelude-obd2b-b-d-series-chassis-subharness-bb6","title":"B \/ D-Series Chassis Subharness – 97-01 Honda Prelude BB6 OBD2B Swap | VTI","description":"\u003ch1\u003eB \/ D-Series Chassis Subharness – 97-01 Honda Prelude BB6 OBD2B Swap | VTI\u003c\/h1\u003e\u003ch2\u003eClean Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI B \u0026amp; D-Series chassis subharness provides a structured, reliable interface between your engine harness and the factory chassis wiring on your 97-01 Honda Prelude BB6. Proper signal routing, OEM-style connector interfaces, and labeled leads — everything you need for a clean swap without hacking up your interior wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTachometer signal routing\u003c\/li\u003e\n\u003cli\u003eMIL \/ Check Engine Light integration\u003c\/li\u003e\n\u003cli\u003eVehicle Speed Sensor routing (where applicable)\u003c\/li\u003e\n\u003cli\u003eOEM-style chassis connector interface\u003c\/li\u003e\n\u003cli\u003eLabeled ECU-side leads for simplified installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eB16, B18, B20\u003c\/li\u003e\n\u003cli\u003eD15, D16\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eConstruction\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wire\u003c\/li\u003e\n\u003cli\u003eOEM-style connector interfaces\u003c\/li\u003e\n\u003cli\u003eProfessionally loomed and strain relieved\u003c\/li\u003e\n\u003cli\u003eBuilt and inspected in-house\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBudget-Spec configuration. Mil-spec or custom routing options available upon request.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Chassis integration subharness only. Main engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Budget \/ None","offer_id":47193454215360,"sku":"vti37","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec \/ None","offer_id":47193454248128,"sku":"vti38","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Budget \/ Prepaid label","offer_id":47236988829888,"sku":"vti60","price":140.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec \/ Prepaid label","offer_id":47236988862656,"sku":"vti61","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_Prelude_Accord_97-01_Engine_Harness_Subharness_VTI.webp?v=1772577934"},{"product_id":"universal-k-series-swap-sub-conversion-harness-for-hondata-kpro","title":"K-Series Universal Chassis Subharness – KPro \/ K-Tuner Compatible | VTI","description":"\u003ch1\u003eK-Series Universal Chassis Subharness – KPro \/ K-Tuner Compatible | VTI\u003c\/h1\u003e\u003ch2\u003eFor Custom Builds, Race Cars \u0026amp; Non-Standard K-Swap Chassis.\u003c\/h2\u003e\u003cp\u003eWhen a chassis-specific subharness doesn't exist for your build — or your factory under-dash wiring has been modified or removed — this is the solution. The VTI Universal K-Swap Chassis Subharness interfaces K-Series engine wiring with custom or simplified chassis wiring, giving you clean signal routing and flexible termination without being locked to a specific OEM chassis connector layout.\u003c\/p\u003e\u003cp\u003eIdeal for custom builds, race cars, and projects that need adaptable routing rather than fixed OEM chassis integration.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eECU Compatibility Options\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHondata KPro\u003c\/strong\u003e — supports common K-Series swap configurations using KPro engine management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK-Tuner 05–06 ECU\u003c\/strong\u003e — supports applications using 2005–2006 K-Series ECUs running K-Tuner software\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eECU selection is made at checkout to ensure proper wiring configuration for your chosen engine management system.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eClean interface between K-Series engine harness and chassis power\/ignition\/signal circuits\u003c\/li\u003e\n\u003cli\u003eProper signal integrity for K-Series engine operation\u003c\/li\u003e\n\u003cli\u003eFlexible routing and termination for custom chassis layouts\u003c\/li\u003e\n\u003cli\u003eTXL automotive-grade wire throughout\u003c\/li\u003e\n\u003cli\u003eOEM-style connectors and proper termination methods\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eK20A, K20A2, K20Z\u003c\/li\u003e\n\u003cli\u003eK24A, K24A2\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eImportant Notes\u003c\/h2\u003e\u003cp\u003eDesigned to interface with VTI K-Series engine wiring harnesses. Because this is a universal solution, final chassis integration and termination are the responsibility of the installer. Technical support is not provided for installations using third-party or generic engine harnesses.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Kpro-02-04","offer_id":47262877745344,"sku":"vti81","price":180.0,"currency_code":"USD","in_stock":true},{"title":"Ktuner-05-06","offer_id":47262877778112,"sku":"vti82","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_K-swap_universal_chassis_subharness_with_TXL_wiring_for_K-series_swaps.webp?v=1770729763"},{"product_id":"k20-k24-k-series-k-swap-conversion-wiring-harness-for-ecu-v2-obd1-92-95-honda-civic-94-95-integra-dc2","title":"K-Series Chassis Subharness – 92-95 Honda Civic EG \/ 94-95 Integra K-Swap | VTI","description":"\u003ch1\u003eK-Series Chassis Subharness – 92-95 Honda Civic EG \/ 94-95 Integra K-Swap | VTI\u003c\/h1\u003e\u003ch2\u003eClean K-Swap Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI K-Series chassis subharness provides a clean, reliable connection between your K20 or K24 engine harness and the factory chassis wiring of your 92-95 Honda Civic EG or 94-95 Acura Integra. Proper signal routing, OEM-style connectors, and labeled leads — everything you need for a clean K-swap without hacking up your interior wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTachometer signal routing\u003c\/li\u003e\n\u003cli\u003eMIL \/ Check Engine Light support\u003c\/li\u003e\n\u003cli\u003eVehicle Speed Sensor integration\u003c\/li\u003e\n\u003cli\u003eOEM-style chassis connector interface\u003c\/li\u003e\n\u003cli\u003eLabeled ECU-side termination leads\u003c\/li\u003e\n\u003cli\u003eCompatible with Hondata and most standalone ECU systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eK20A, K20A2, K20Z\u003c\/li\u003e\n\u003cli\u003eK24A, K24A2\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eConstruction\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wiring\u003c\/li\u003e\n\u003cli\u003eOEM-style connector interfaces\u003c\/li\u003e\n\u003cli\u003eClean routing and strain relief\u003c\/li\u003e\n\u003cli\u003eBuilt and inspected in-house\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCustom bulkhead or motorsport configurations available upon request.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Chassis integration subharness only. Main K-Series engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Default Title","offer_id":47203166027968,"sku":"vti39","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_92_95_Civic_EG_and_94_95_Integra_K-swap_chassis_subharness_with_high_quality_TXL_wiring.webp?v=1770729763"},{"product_id":"92-93-integra-obd1-non-gsr-b-d-series-chassis-subharness-dc","title":"B \/ D-Series Chassis Subharness – 92-93 Acura Integra DC OBD1 Non-GSR Swap | VTI","description":"\u003ch1\u003eB \/ D-Series Chassis Subharness – 92-93 Acura Integra DC OBD1 Non-GSR Swap | VTI\u003c\/h1\u003e\u003ch2\u003eClean Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI B \u0026amp; D-Series chassis subharness provides a structured, reliable interface between your engine harness and the factory chassis wiring on your 92-93 Acura Integra DC (Non-GSR). Proper signal routing, OEM-style connector interfaces, and labeled leads — everything you need for a clean swap without hacking up your interior wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTachometer signal routing\u003c\/li\u003e\n\u003cli\u003eMIL \/ Check Engine Light integration\u003c\/li\u003e\n\u003cli\u003eVehicle Speed Sensor routing (where applicable)\u003c\/li\u003e\n\u003cli\u003eOEM-style chassis connector interface\u003c\/li\u003e\n\u003cli\u003eLabeled ECU-side leads for simplified installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eB16, B18, B20\u003c\/li\u003e\n\u003cli\u003eD15, D16\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eConstruction\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wire\u003c\/li\u003e\n\u003cli\u003eOEM-style connector interfaces\u003c\/li\u003e\n\u003cli\u003eProfessionally loomed and strain relieved\u003c\/li\u003e\n\u003cli\u003eBuilt and inspected in-house\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBudget-Spec configuration. Mil-spec or custom routing options available upon request.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Chassis integration subharness only. Main engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Budget","offer_id":47209188556992,"sku":"vti53","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec","offer_id":47209188589760,"sku":"vti54","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_92-93_Integra_Non-GSR_Engine_Harness_Subharness_VTI.webp?v=1772577934"},{"product_id":"90-91-integra-obd0-b-d-series-chassis-subharness-da","title":"B \/ D-Series Chassis Subharness – 90-91 Honda Integra DA OBD0 Swap | VTI","description":"\u003ch1\u003eB \/ D-Series Chassis Subharness – 90-91 Honda Integra DA OBD0 Swap | VTI\u003c\/h1\u003e\u003ch2\u003eClean Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI B \u0026amp; D-Series chassis subharness provides a structured, reliable interface between your engine harness and the factory chassis wiring on your 90-91 Honda Integra DA. Proper signal routing, OEM-style connector interfaces, and labeled leads — everything you need for a clean swap without hacking up your interior wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTachometer signal routing\u003c\/li\u003e\n\u003cli\u003eMIL \/ Check Engine Light integration\u003c\/li\u003e\n\u003cli\u003eVehicle Speed Sensor routing (where applicable)\u003c\/li\u003e\n\u003cli\u003eOEM-style chassis connector interface\u003c\/li\u003e\n\u003cli\u003eLabeled ECU-side leads for simplified installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eB16, B18, B20\u003c\/li\u003e\n\u003cli\u003eD15, D16\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eConstruction\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wire\u003c\/li\u003e\n\u003cli\u003eOEM-style connector interfaces\u003c\/li\u003e\n\u003cli\u003eProfessionally loomed and strain relieved\u003c\/li\u003e\n\u003cli\u003eBuilt and inspected in-house\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis is our standardized Budget-Spec configuration. Mil-spec or custom routing options available upon request.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This listing is for the chassis integration subharness only. Main engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Budget","offer_id":47209188131008,"sku":"vti49","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec","offer_id":47209188163776,"sku":"vti50","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_90-91_Integra_Engine_Harness_Subharness_Adapter_VTI.webp?v=1772577934"},{"product_id":"96-99-integra-obd2a-b-d-series-chassis-subharness-dc2","title":"B \/ D-Series Chassis Subharness – 96-99 Acura Integra DC2 OBD2A Swap | VTI","description":"\u003ch1\u003eB \/ D-Series Chassis Subharness – 96-99 Acura Integra DC2 OBD2A Swap | VTI\u003c\/h1\u003e\u003ch2\u003eClean Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI B \u0026amp; D-Series chassis subharness provides a structured, reliable interface between your engine harness and the factory chassis wiring on your 96-99 Acura Integra DC2. Proper signal routing, OEM-style connector interfaces, and labeled leads — everything you need for a clean swap without hacking up your interior wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTachometer signal routing\u003c\/li\u003e\n\u003cli\u003eMIL \/ Check Engine Light integration\u003c\/li\u003e\n\u003cli\u003eVehicle Speed Sensor routing (where applicable)\u003c\/li\u003e\n\u003cli\u003eOEM-style chassis connector interface\u003c\/li\u003e\n\u003cli\u003eLabeled ECU-side leads for simplified installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eB16, B18, B20\u003c\/li\u003e\n\u003cli\u003eD15, D16\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eConstruction\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wire\u003c\/li\u003e\n\u003cli\u003eOEM-style connector interfaces\u003c\/li\u003e\n\u003cli\u003eProfessionally loomed and strain relieved\u003c\/li\u003e\n\u003cli\u003eBuilt and inspected in-house\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBudget-Spec configuration. Mil-spec or custom routing options available upon request.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Chassis integration subharness only. Main engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Budget","offer_id":47209188327616,"sku":"vti51","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec","offer_id":47209188360384,"sku":"vti52","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_Integra_96-99_Engine_Harness_Subharness_Adapter_VTI.webp?v=1772577934"},{"product_id":"88-91-civic-crx-obd0-b-d-series-chassis-subharness-ef","title":"B \/ D-Series Chassis Subharness – 88-91 Honda Civic EF \/ CRX OBD0 Swap | VTI","description":"\u003ch1\u003eB \/ D-Series Chassis Subharness – 88-91 Honda Civic EF \/ CRX OBD0 Swap | VTI\u003c\/h1\u003e\u003ch2\u003eClean Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI B \u0026amp; D-Series chassis subharness provides a structured, reliable interface between your engine harness and the factory chassis wiring on your 88-91 Honda EF Civic or CRX. Proper signal routing, OEM-style connector interfaces, and labeled leads — everything you need for a clean swap without hacking up your interior wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTachometer signal routing\u003c\/li\u003e\n\u003cli\u003eMIL \/ Check Engine Light integration\u003c\/li\u003e\n\u003cli\u003eVehicle Speed Sensor routing (where applicable)\u003c\/li\u003e\n\u003cli\u003eOEM-style chassis connector interface\u003c\/li\u003e\n\u003cli\u003eLabeled ECU-side leads for simplified installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eB16, B18, B20\u003c\/li\u003e\n\u003cli\u003eD15, D16\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eConstruction\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wire\u003c\/li\u003e\n\u003cli\u003eOEM-style connector interfaces\u003c\/li\u003e\n\u003cli\u003eProfessionally loomed and strain relieved\u003c\/li\u003e\n\u003cli\u003eBuilt and inspected in-house\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis is our standardized Budget-Spec configuration. Mil-spec or custom routing options available upon request.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This listing is for the chassis integration subharness only. Main engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Budget","offer_id":47209187770560,"sku":"vti47","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec","offer_id":47209187803328,"sku":"vti48","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_EF_Civic_CRX_Engine_Harness_Subharness_Adapter_VTI.webp?v=1772577934"},{"product_id":"92-96-prelude-obd2a-b-d-series-chassis-subharness-bb","title":"B \/ D-Series Chassis Subharness – 92-96 Honda Prelude BB OBD2A Swap | VTI","description":"\u003ch1\u003eB \/ D-Series Chassis Subharness – 92-96 Honda Prelude BB OBD2A Swap | VTI\u003c\/h1\u003e\u003ch2\u003eClean Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI B \u0026amp; D-Series chassis subharness provides a structured, reliable interface between your engine harness and the factory chassis wiring on your 92-96 Honda Prelude BB. Proper signal routing, OEM-style connector interfaces, and labeled leads — everything you need for a clean swap without hacking up your interior wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTachometer signal routing\u003c\/li\u003e\n\u003cli\u003eMIL \/ Check Engine Light integration\u003c\/li\u003e\n\u003cli\u003eVehicle Speed Sensor routing (where applicable)\u003c\/li\u003e\n\u003cli\u003eOEM-style chassis connector interface\u003c\/li\u003e\n\u003cli\u003eLabeled ECU-side leads for simplified installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eB16, B18, B20\u003c\/li\u003e\n\u003cli\u003eD15, D16\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eConstruction\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wire\u003c\/li\u003e\n\u003cli\u003eOEM-style connector interfaces\u003c\/li\u003e\n\u003cli\u003eProfessionally loomed and strain relieved\u003c\/li\u003e\n\u003cli\u003eBuilt and inspected in-house\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBudget-Spec configuration. Mil-spec or custom routing options available upon request.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Chassis integration subharness only. Main engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Budget","offer_id":47209187410112,"sku":"vti45","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec","offer_id":47209187442880,"sku":"vti46","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_Prelude_Accord_92-96_Engine_Harness_Subharness_Adapter_VTI.webp?v=1772577934"},{"product_id":"00-01-integra-obd2b-b-d-series-chassis-subharness-dc2","title":"B \/ D-Series Chassis Subharness – 00-01 Acura Integra DC2 OBD2B Swap | VTI","description":"\u003ch1\u003eB \/ D-Series Chassis Subharness – 00-01 Acura Integra DC2 OBD2B Swap | VTI\u003c\/h1\u003e\u003ch2\u003eClean Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI B \u0026amp; D-Series chassis subharness provides a structured, reliable interface between your engine harness and the factory chassis wiring on your 00-01 Acura Integra DC2. Proper signal routing, OEM-style connector interfaces, and labeled leads — everything you need for a clean swap without hacking up your interior wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTachometer signal routing\u003c\/li\u003e\n\u003cli\u003eMIL \/ Check Engine Light integration\u003c\/li\u003e\n\u003cli\u003eVehicle Speed Sensor routing (where applicable)\u003c\/li\u003e\n\u003cli\u003eOEM-style chassis connector interface\u003c\/li\u003e\n\u003cli\u003eLabeled ECU-side leads for simplified installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eB16, B18, B20\u003c\/li\u003e\n\u003cli\u003eD15, D16\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eConstruction\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wire\u003c\/li\u003e\n\u003cli\u003eOEM-style connector interfaces\u003c\/li\u003e\n\u003cli\u003eProfessionally loomed and strain relieved\u003c\/li\u003e\n\u003cli\u003eBuilt and inspected in-house\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBudget-Spec configuration. Mil-spec or custom routing options available upon request.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Chassis integration subharness only. Main engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Budget","offer_id":47209187311808,"sku":"vti43","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec","offer_id":47209187344576,"sku":"vti44","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/A2774628-6EF5-41AB-AAF5-BF9DE7171CD4.jpg?v=1777520814"},{"product_id":"92-95-civic-94-95-integra-b-d-series-subharness-eg-dc","title":"92-95 Honda Civic \u0026 94-95 Integra B\/D Series Subharness (EG \/ DC Swap Conversion)","description":"\u003ch1 data-start=\"693\" data-end=\"731\"\u003eHonda B \u0026amp; D Series Engine Subharness\u003c\/h1\u003e\n\u003ch2 data-start=\"733\" data-end=\"781\"\u003eClean Chassis Integration for Honda Platforms\u003c\/h2\u003e\n\u003cp data-start=\"783\" data-end=\"928\"\u003eThe VTEC Innovations B \u0026amp; D Series subharness provides a structured and reliable interface between your engine harness and factory chassis wiring.\u003c\/p\u003e\n\u003cp data-start=\"930\" data-end=\"1148\"\u003eDesigned to support a wide range of Honda platforms — including Civic, CRX, Integra, and Prelude applications — this subharness ensures proper signal routing and clean integration without unnecessary interior splicing.\u003c\/p\u003e\n\u003cp data-start=\"1150\" data-end=\"1243\"\u003eEach listing reflects the specific chassis and year configuration noted in the product title.\u003c\/p\u003e\n\u003chr data-start=\"1245\" data-end=\"1248\"\u003e\n\u003ch2 data-start=\"1250\" data-end=\"1275\"\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\n\u003cp data-start=\"1277\" data-end=\"1542\"\u003e• Proper routing of critical engine signals\u003cbr data-start=\"1320\" data-end=\"1323\"\u003e• Tachometer signal support\u003cbr data-start=\"1350\" data-end=\"1353\"\u003e• MIL \/ Check Engine Light integration\u003cbr data-start=\"1391\" data-end=\"1394\"\u003e• Vehicle Speed Sensor routing (where applicable)\u003cbr data-start=\"1443\" data-end=\"1446\"\u003e• OEM-style chassis connector interface\u003cbr data-start=\"1485\" data-end=\"1488\"\u003e• Labeled ECU-side leads for simplified installation\u003c\/p\u003e\n\u003cp data-start=\"1544\" data-end=\"1658\"\u003eCompatible with OEM ECU setups and most standalone configurations when paired with the appropriate engine harness.\u003c\/p\u003e\n\u003chr data-start=\"1660\" data-end=\"1663\"\u003e\n\u003ch2 data-start=\"1665\" data-end=\"1688\"\u003eConstruction Details\u003c\/h2\u003e\n\u003cp data-start=\"1690\" data-end=\"1833\"\u003e• OEM-style connector interfaces\u003cbr data-start=\"1722\" data-end=\"1725\"\u003e• TXL automotive-grade wire\u003cbr data-start=\"1752\" data-end=\"1755\"\u003e• Professionally loomed and strain relieved\u003cbr data-start=\"1798\" data-end=\"1801\"\u003e• Built and inspected in-house\u003c\/p\u003e\n\u003cp data-start=\"1835\" data-end=\"1951\"\u003eThis is our standardized Budget-Spec configuration.\u003cbr data-start=\"1886\" data-end=\"1889\"\u003eMil-spec or custom routing options are available upon request.\u003c\/p\u003e\n\u003chr data-start=\"1953\" data-end=\"1956\"\u003e\n\u003ch2 data-start=\"1958\" data-end=\"1981\"\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"1983\" data-end=\"1999\"\u003eSupports common:\u003c\/p\u003e\n\u003cp data-start=\"2001\" data-end=\"2030\"\u003eB16\u003cbr data-start=\"2004\" data-end=\"2007\"\u003eB18\u003cbr data-start=\"2010\" data-end=\"2013\"\u003eB20\u003cbr data-start=\"2016\" data-end=\"2019\"\u003eD15\u003cbr data-start=\"2022\" data-end=\"2025\"\u003eD16\u003c\/p\u003e\n\u003cp data-start=\"2032\" data-end=\"2091\"\u003eRefer to the product title for exact chassis compatibility.\u003c\/p\u003e\n\u003chr data-start=\"2093\" data-end=\"2096\"\u003e\n\u003ch2 data-start=\"2098\" data-end=\"2110\"\u003eImportant\u003c\/h2\u003e\n\u003cp data-start=\"2112\" data-end=\"2211\"\u003eThis listing is for the chassis integration subharness only.\u003cbr data-start=\"2172\" data-end=\"2175\"\u003eMain engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Budget","offer_id":47209186918592,"sku":"vti41","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec","offer_id":47209186951360,"sku":"vti42","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/Honda_EG_Civic_92-95_Engine_Harness_Subharness_Adapter_VTI.webp?v=1772577934"},{"product_id":"96-98-civic-k-series-subharness-ek-kswap","title":"96-98 Honda Civic K-Series Subharness (EK K-Swap Conversion)","description":"\u003ch1 data-start=\"2299\" data-end=\"2333\"\u003eHonda K-Series Engine Subharness\u003c\/h1\u003e\n\u003ch2 data-start=\"2335\" data-end=\"2392\"\u003eStructured Chassis Integration for K-Swap Applications\u003c\/h2\u003e\n\u003cp data-start=\"2394\" data-end=\"2575\"\u003eThe VTEC Innovations K-Series subharness provides a clean and reliable connection between your K20 or K24 engine harness and the factory chassis wiring of supported Honda platforms.\u003c\/p\u003e\n\u003cp data-start=\"2577\" data-end=\"2753\"\u003eDesigned for Civic, CRX, Integra, Prelude, and other compatible chassis configurations, this harness ensures proper signal routing while maintaining critical vehicle functions.\u003c\/p\u003e\n\u003cp data-start=\"2755\" data-end=\"2819\"\u003eSpecific chassis compatibility is defined in each product title.\u003c\/p\u003e\n\u003chr data-start=\"2821\" data-end=\"2824\"\u003e\n\u003ch2 data-start=\"2826\" data-end=\"2851\"\u003eFunction \u0026amp; Integration\u003c\/h2\u003e\n\u003cp data-start=\"2853\" data-end=\"3097\"\u003e• Tachometer signal routing\u003cbr data-start=\"2880\" data-end=\"2883\"\u003e• MIL \/ Check Engine Light support\u003cbr data-start=\"2917\" data-end=\"2920\"\u003e• Vehicle Speed Sensor integration\u003cbr data-start=\"2954\" data-end=\"2957\"\u003e• OEM-style chassis connector interface\u003cbr data-start=\"2996\" data-end=\"2999\"\u003e• Labeled ECU-side termination leads\u003cbr data-start=\"3035\" data-end=\"3038\"\u003e• Compatible with Hondata and most standalone ECU systems\u003c\/p\u003e\n\u003cp data-start=\"3099\" data-end=\"3156\"\u003eBuilt for dependable street and enthusiast-level K-swaps.\u003c\/p\u003e\n\u003chr data-start=\"3158\" data-end=\"3161\"\u003e\n\u003ch2 data-start=\"3163\" data-end=\"3186\"\u003eConstruction Details\u003c\/h2\u003e\n\u003cp data-start=\"3188\" data-end=\"3323\"\u003e• OEM-style connector interfaces\u003cbr data-start=\"3220\" data-end=\"3223\"\u003e• TXL automotive-grade wiring\u003cbr data-start=\"3252\" data-end=\"3255\"\u003e• Clean routing and strain relief\u003cbr data-start=\"3288\" data-end=\"3291\"\u003e• Built and inspected in-house\u003c\/p\u003e\n\u003cp data-start=\"3325\" data-end=\"3393\"\u003eCustom bulkhead or motorsport configurations available upon request.\u003c\/p\u003e\n\u003chr data-start=\"3395\" data-end=\"3398\"\u003e\n\u003ch2 data-start=\"3400\" data-end=\"3423\"\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"3425\" data-end=\"3441\"\u003eSupports common:\u003c\/p\u003e\n\u003cp data-start=\"3443\" data-end=\"3479\"\u003eK20A \/ K20A2 \/ K20Z\u003cbr data-start=\"3462\" data-end=\"3465\"\u003eK24A \/ K24A2\u003c\/p\u003e\n\u003cp data-start=\"3481\" data-end=\"3549\"\u003eRefer to the product title for exact chassis and year configuration.\u003c\/p\u003e\n\u003chr data-start=\"3551\" data-end=\"3554\"\u003e\n\u003ch2 data-start=\"3556\" data-end=\"3568\"\u003eImportant\u003c\/h2\u003e\n\u003cp data-start=\"3570\" data-end=\"3678\"\u003eThis listing is for the chassis integration subharness only.\u003cbr data-start=\"3630\" data-end=\"3633\"\u003eMain K-Series engine harness sold separately.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Default Title","offer_id":47203203186880,"sku":"vti40","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/0D8DA901-5B18-4CEE-A657-66EC8041AD5A.jpg?v=1777520739"},{"product_id":"products-fueltech-ft550-k-series-standalone-adapter","title":"FuelTech FT550 K-Series Plug \u0026 Play Standalone Adapter | VTI","description":"\u003ch1\u003eFuelTech FT550 K-Series Plug \u0026amp; Play Standalone Adapter | VTI\u003c\/h1\u003e\u003cp\u003eThe complete plug-and-play solution for converting your Honda K-Series engine harness to a FuelTech FT550 standalone ECU. Built using Teflon (mil-spec style) wire and flame-resistant loom materials, this adapter is designed for reliability, motorsport durability, and clean integration — completely prewired and ready to install.\u003c\/p\u003e\u003cp\u003eThis is not a universal patch harness. This is a structured conversion adapter built for serious standalone setups.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eDesigned For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eK20 \u0026amp; K24 engine platforms\u003c\/li\u003e\n\u003cli\u003eAcura RSX (DC5)\u003c\/li\u003e\n\u003cli\u003eHonda EP3 Civic Si\u003c\/li\u003e\n\u003cli\u003eK-swapped chassis running OEM-style K harnesses\u003c\/li\u003e\n\u003cli\u003eStreet, drag, drift, and road race builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eIntegrated Connections\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAUX1 \u0026amp; AUX2\u003c\/strong\u003e — auxiliary output capability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINJ Expansion\u003c\/strong\u003e — additional injector outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCANBUS\u003c\/strong\u003e — direct connection to FT550 for dash, logging \u0026amp; peripherals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA \u0026amp; B\u003c\/strong\u003e — main FT550 ECU connectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRVS\u003c\/strong\u003e — rear speed sensor input for traction control \u0026amp; data logging\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAll circuits cleanly integrated — no unnecessary splicing or patch wiring.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eConstruction Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTeflon wire construction\u003c\/li\u003e\n\u003cli\u003eFlame-resistant loom material\u003c\/li\u003e\n\u003cli\u003eProfessionally terminated connectors\u003c\/li\u003e\n\u003cli\u003eFully prewired and labeled\u003c\/li\u003e\n\u003cli\u003eMotorsport-grade assembly standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eImportant Installation Notes\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eConnector Fitment:\u003c\/strong\u003e When using with a stock K20 harness, one connector lock will require minor modification for proper fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEP3 \/ RSX Main Relay:\u003c\/strong\u003e When installing in an EP3 Civic Si or K20 RSX chassis, an additional relay must be added to properly initiate and control the main relay system. Verify your chassis configuration before ordering.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFully assembled FT550 K-Series adapter\u003c\/li\u003e\n\u003cli\u003eBasic startup FuelTech base map\u003c\/li\u003e\n\u003cli\u003eInstallation notes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOptional tuning support available upon request — leave tuning requests in checkout notes.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhy VTI?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTrue plug-and-play integration — no guesswork\u003c\/li\u003e\n\u003cli\u003eClean standalone conversion strategy\u003c\/li\u003e\n\u003cli\u003eProper auxiliary expansion support\u003c\/li\u003e\n\u003cli\u003eCANBUS integration done correctly\u003c\/li\u003e\n\u003cli\u003eBuilt by experienced harness manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed a custom FT550 configuration? Contact us directly for advanced integration, additional outputs, or full standalone harness builds.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Default Title","offer_id":47463402373312,"sku":"vti515","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/IMG_9699-Enhanced-NR.webp?v=1771089110"},{"product_id":"obd1-fueltech-ft550-conversion-adapter","title":"OBD1 to FuelTech FT550 Adapter Harness – Logic Corrected | VTI","description":"\u003ch1\u003eOBD1 to FuelTech FT550 Adapter Harness – Logic Corrected | VTI\u003c\/h1\u003e\u003cp\u003eThis is not a repin sheet solution. This is a complete, logic-corrected interface harness that provides a structured and clean transition from your factory OBD1 ECU system to a FuelTech FT550 standalone ECU — retaining factory engine harness integrity while enabling full standalone control, modern ignition support, and expansion capability.\u003c\/p\u003e\u003cp\u003eDesigned to minimize chassis modification while maximizing what the FT550 platform can do.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eConfiguration Overview\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOEM OBD1 ECU receptacles (P28 \/ P72 \/ P75 style)\u003c\/li\u003e\n\u003cli\u003eGenuine FT550 ECU connectors\u003c\/li\u003e\n\u003cli\u003eFully corrected signal logic\u003c\/li\u003e\n\u003cli\u003eIntegrated adapter loom\u003c\/li\u003e\n\u003cli\u003ePrewired T1 crank and cam inputs\u003c\/li\u003e\n\u003cli\u003eCANbus prewired\u003c\/li\u003e\n\u003cli\u003eCoil-on-plug DTM ignition connector\u003c\/li\u003e\n\u003cli\u003eIntegrated 12-pin FuelTech-style breakout\u003c\/li\u003e\n\u003cli\u003eBuilt-in expansion breakout connectors\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003e12-Pin Breakout Integration\u003c\/h2\u003e\u003cp\u003eA dedicated 12-pin FuelTech-style breakout connector is integrated for ignition 12V feed, 5V reference distribution, sensor power routing, expansion outputs, and auxiliary I\/O allocation — eliminating loose pigtails and enabling structured system expansion.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eIgnition \u0026amp; Engine Position Support\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eT1 crank and cam sensor configuration prewired\u003c\/li\u003e\n\u003cli\u003eCoil-on-plug DTM output connector integrated\u003c\/li\u003e\n\u003cli\u003eClean conversion path from distributor-based OBD1 to modern coil control\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDesigned for high-performance and boosted applications requiring reliable engine position referencing.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eCANbus Integration\u003c\/h2\u003e\u003cp\u003eCAN wiring is pre-configured for dash integration, data logging, and FT550 peripheral support. No additional backbone wiring required for standard FT550 CAN deployment.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eIntended Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTurbo OBD1 Honda builds\u003c\/li\u003e\n\u003cli\u003eDistributor delete conversions\u003c\/li\u003e\n\u003cli\u003eCoil-on-plug upgrades\u003c\/li\u003e\n\u003cli\u003eFull standalone conversions\u003c\/li\u003e\n\u003cli\u003eHigh-output street and competition builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eOff-road \/ motorsport use only.\u003c\/em\u003e\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Default Title","offer_id":47464104755392,"sku":"vti519","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/FuelTech_FT450_ECU_Subharness_Adapter_VTI.webp?v=1772577934"},{"product_id":"haltech-elite-550-750-honda-obd1-adapter-harness","title":"Haltech Elite 550 \/ 750 Plug \u0026 Play Adapter – Honda OBD1 B \/ D \/ H-Series | VTI","description":"\u003ch1\u003eHaltech Elite 550 \/ 750 Plug \u0026amp; Play Adapter Harness – Honda OBD1 B \/ D \/ H-Series | VTI\u003c\/h1\u003e\u003cp\u003eThe straightforward way to run a Haltech Elite 550 or 750 on your Honda OBD1 build — without splicing your factory harness. This adapter is engineered for direct standalone conversion on Honda OBD1 B-Series, D-Series, and H-Series platforms, maintaining full OEM sensor functionality while expanding standalone capability from day one.\u003c\/p\u003e\u003cp\u003eNo splicing. No repinning. Clean integration.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003ePlatform Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHonda OBD1 B-Series\u003c\/li\u003e\n\u003cli\u003eHonda OBD1 D-Series\u003c\/li\u003e\n\u003cli\u003eHonda OBD1 H-Series\u003c\/li\u003e\n\u003cli\u003eCompatible with factory distributor (VR pickup supported)\u003c\/li\u003e\n\u003cli\u003eDesigned for Haltech Elite 550 and Elite 750 ECUs\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eWhat's Built In\u003c\/h2\u003e\u003ch3\u003ePre-Wired Outputs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVTEC Output — ready for activation in Haltech software\u003c\/li\u003e\n\u003cli\u003eBoost Control Solenoid Output\u003c\/li\u003e\n\u003cli\u003eA\/C Control Output\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExpandable Output Provision\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCoil-on-plug conversion terminals\u003c\/li\u003e\n\u003cli\u003eAuxiliary outputs\u003c\/li\u003e\n\u003cli\u003eFuture expansion capability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIntegrated Relay \u0026amp; Fuse System\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBuilt-in main relay\u003c\/li\u003e\n\u003cli\u003eIntegrated fuse protection\u003c\/li\u003e\n\u003cli\u003eLED relay indicator for quick diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eConstruction Standard\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wiring\u003c\/li\u003e\n\u003cli\u003eProperly terminated and labeled connections\u003c\/li\u003e\n\u003cli\u003eCarrotTopTuning branded construction\u003c\/li\u003e\n\u003cli\u003eClean StreetSpec routing and loom finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIncludes pinout overview sheet for guided installation and configuration reference.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhy VTI StreetSpec?\u003c\/h2\u003e\u003cp\u003eStreetSpec harnesses deliver clean OEM+ integration with structured routing and reliable standalone compatibility — without the complexity or cost of full motorsport-spec construction. Built for performance builds that demand quality and expandability without overbuilding.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Default Title","offer_id":47495230750912,"sku":"vti520","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/IMG_9543.webp?v=1771356270"},{"product_id":"haltech-elite-1000-1500-k-series-02-04-adapter-harness","title":"Haltech Elite 1000 \/ 1500 Plug \u0026 Play Adapter – 02-04 Honda K-Series RSX \/ EP3 | VTI","description":"\u003ch1\u003eHaltech Elite 1000 \/ 1500 Plug \u0026amp; Play Adapter Harness – 02-04 Honda K-Series | RSX \/ EP3\u003c\/h1\u003e\u003cp\u003eRun a Haltech Elite 1000 or 1500 on your 02-04 K-Series without touching your factory engine harness. This adapter is engineered specifically for the 02-04 ECU architecture — clean standalone conversion with proper signal routing and expansion capability built in from the start.\u003c\/p\u003e\u003cp\u003eNo splicing. No repinning. No compromises.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003ePlatform Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2002–2004 Acura RSX\u003c\/li\u003e\n\u003cli\u003e2002–2004 Honda EP3 Civic Si\u003c\/li\u003e\n\u003cli\u003eCompatible with factory K-Series engine harness\u003c\/li\u003e\n\u003cli\u003eCompatible with aftermarket tucked harnesses (no modification needed)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eWhat's Built In\u003c\/h2\u003e\u003ch3\u003e4-Pin CAN Communication\u003c\/h3\u003e\u003cp\u003eIntegrated CAN power and ground wiring for seamless connection to Haltech CAN expansion modules, CAN wideband controllers, digital dashes, and additional Haltech CAN devices — pre-wired for simplified system expansion.\u003c\/p\u003e\u003ch3\u003eHonda-to-GM IAT Adapter Included\u003c\/h3\u003e\u003cp\u003eIncludes a GM-style IAT adapter harness for faster response speed, improved logging accuracy, and more consistent tuning data. Faster and more stable than the OEM Honda IAT sensor.\u003c\/p\u003e\u003ch3\u003eFuture-Proof Output Provision\u003c\/h3\u003e\u003cp\u003eAdditional terminals included for auxiliary inputs, additional outputs, boost control, and sensor expansion — built with long-term upgrade flexibility in mind.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eConstruction Standard\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTXL automotive-grade wiring\u003c\/li\u003e\n\u003cli\u003eProperly terminated and labeled connections\u003c\/li\u003e\n\u003cli\u003eCarrotTopTuning branded construction\u003c\/li\u003e\n\u003cli\u003eClean StreetSpec routing and loom finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eInstallation Note\u003c\/h2\u003e\u003cp\u003eWhen using this adapter with a factory OEM engine harness, one locking tab on the jumper harness may require minor trimming for perfect engagement. Aftermarket tucked harnesses connect without modification.\u003c\/p\u003e\u003cp\u003eIncludes pinout overview sheet for guided installation and configuration reference.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhy VTI StreetSpec?\u003c\/h2\u003e\u003cp\u003eStreetSpec harnesses are engineered for clean OEM+ integration with structured routing and reliable standalone compatibility — without the complexity of full motorsport-spec construction. Quality and expandability without overbuilding.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Default Title","offer_id":47495238877376,"sku":"vti521","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/IMG_9535.webp?v=1771356730"},{"product_id":"fueltech-ft450-k-series-adapter-harness-v2","title":"FuelTech FT450 Plug \u0026 Play Adapter Harness – Honda K-Series Standalone (V2) | VTI","description":"\u003ch1\u003eFuelTech FT450 Plug \u0026amp; Play Adapter Harness – Honda K-Series Standalone (V2) | VTI\u003c\/h1\u003e\u003cp\u003eThe cleanest way to run a FuelTech FT450 on your Honda K-Series — without cutting or splicing your factory engine harness. This V2 adapter is manufactured by CarrotTopTuning and supplied through VTI, engineered for reliable signal integrity, stable power distribution, and future expansion capability right out of the box.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003ePlatform Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHonda K20 \u0026amp; K24 platforms\u003c\/li\u003e\n\u003cli\u003eCompatible with factory and aftermarket K-Series engine harnesses\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the FuelTech FT450 ECU\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eWhat's Built In (V2)\u003c\/h2\u003e\u003ch3\u003eDTM12P Expansion Connector\u003c\/h3\u003e\u003cp\u003eIntegrated 12-pin DTM expansion connector provides IGN12V supply, dedicated 5V reference power, and stable power delivery for auxiliary sensors and control modules — clean expansion without additional harness modification.\u003c\/p\u003e\u003ch3\u003eRear Wheel Speed Sensor Extension\u003c\/h3\u003e\u003cp\u003eDedicated pre-wired extension for accurate speed signal transfer, reliable traction control input, and stable speed-based tuning data. Critical for advanced performance tuning and data logging.\u003c\/p\u003e\u003ch3\u003eCANBUS A Connector\u003c\/h3\u003e\u003cp\u003eIntegrated CAN-A connector enables high-speed ECU communication, expansion module integration, advanced telemetry support, and digital dash compatibility.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eV2 Construction Standard\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigher-grade Teflon insulated wiring throughout\u003c\/li\u003e\n\u003cli\u003eDeveloped slack lengths for clean, stress-free routing\u003c\/li\u003e\n\u003cli\u003eProper termination and strain relief at all connections\u003c\/li\u003e\n\u003cli\u003eCarrotTopTuning branded construction — proven in performance applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eWhy Purchase Through VTI?\u003c\/h2\u003e\u003cp\u003eVTI supplies and supports CarrotTopTuning adapter systems within structured standalone integration builds. Technical guidance and integration support available upon request — we don't just sell you a harness and wish you luck.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Default Title","offer_id":47495243137216,"sku":"vti522","price":245.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/IMG_9366.webp?v=1771357017"}],"url":"https:\/\/www.vtecinnovations.com\/collections\/chassis-subharnesses.oembed","provider":"VTI","version":"1.0","type":"link"}