{"title":"FuelTech Conversion Harness Systems","description":"\u003ch1 data-start=\"785\" data-end=\"822\"\u003eFuelTech Conversion Harness Systems\u003c\/h1\u003e\n\u003cp data-start=\"824\" data-end=\"1005\"\u003eVTEC Innovations designs and manufactures professional FuelTech conversion harness systems engineered to transition factory Honda platforms to standalone FuelTech engine management.\u003c\/p\u003e\n\u003cp data-start=\"1007\" data-end=\"1115\"\u003eThese harness systems provide structured electrical integration without requiring a complete chassis rewire.\u003c\/p\u003e\n\u003chr data-start=\"1117\" data-end=\"1120\"\u003e\n\u003ch2 data-start=\"1122\" data-end=\"1156\"\u003eFactory-to-FuelTech Conversions\u003c\/h2\u003e\n\u003cp data-start=\"1158\" data-end=\"1197\"\u003eConversion harness systems designed to:\u003c\/p\u003e\n\u003cp data-start=\"1199\" data-end=\"1393\"\u003e• Replace factory ECU management with FuelTech standalone control\u003cbr data-start=\"1264\" data-end=\"1267\"\u003e• Integrate FuelTech FT450 and FT550 platforms\u003cbr data-start=\"1313\" data-end=\"1316\"\u003e• Maintain chassis interface integrity\u003cbr data-start=\"1354\" data-end=\"1357\"\u003e• Simplify standalone installation\u003c\/p\u003e\n\u003cp data-start=\"1395\" data-end=\"1455\"\u003eEngineered for clean, plug-in integration wherever possible.\u003c\/p\u003e\n\u003chr data-start=\"1457\" data-end=\"1460\"\u003e\n\u003ch2 data-start=\"1462\" data-end=\"1498\"\u003eOBD \u0026amp; Platform Conversion Support\u003c\/h2\u003e\n\u003cp data-start=\"1500\" data-end=\"1548\"\u003eFuelTech conversion harness systems may support:\u003c\/p\u003e\n\u003cp data-start=\"1550\" data-end=\"1690\"\u003e• OBD1-based Honda platforms\u003cbr data-start=\"1578\" data-end=\"1581\"\u003e• OBD2A and OBD2B chassis configurations\u003cbr data-start=\"1621\" data-end=\"1624\"\u003e• Civic and Integra applications\u003cbr data-start=\"1656\" data-end=\"1659\"\u003e• K-swap FuelTech conversions\u003c\/p\u003e\n\u003cp data-start=\"1692\" data-end=\"1769\"\u003eDesigned to maintain proper signal routing and structured power distribution.\u003c\/p\u003e\n\u003chr data-start=\"1771\" data-end=\"1774\"\u003e\n\u003ch2 data-start=\"1776\" data-end=\"1816\"\u003ePatch \u0026amp; Integration Harness Solutions\u003c\/h2\u003e\n\u003cp data-start=\"1818\" data-end=\"1849\"\u003eConversion systems may include:\u003c\/p\u003e\n\u003cp data-start=\"1851\" data-end=\"1993\"\u003e• ECU adapter harnesses\u003cbr data-start=\"1874\" data-end=\"1877\"\u003e• Patch harness configurations\u003cbr data-start=\"1907\" data-end=\"1910\"\u003e• Engine-to-chassis interface integration\u003cbr data-start=\"1951\" data-end=\"1954\"\u003e• Bulkhead or cabin-disconnect setups\u003c\/p\u003e\n\u003cp data-start=\"1995\" data-end=\"2068\"\u003eBuilt for reliable standalone ECU communication and long-term durability.\u003c\/p\u003e\n\u003chr data-start=\"2070\" data-end=\"2073\"\u003e\n\u003ch2 data-start=\"2075\" data-end=\"2121\"\u003eProfessional Standalone Transition Standard\u003c\/h2\u003e\n\u003cp data-start=\"2123\" data-end=\"2332\"\u003eAll FuelTech conversion harness systems are engineered to support stable ignition control, accurate sensor integration, and consistent power delivery required for high-performance standalone engine management.\u003c\/p\u003e\n\u003cp data-start=\"2334\" data-end=\"2429\"\u003eFor full standalone engine harness systems, visit the FuelTech Harnesses \u0026amp; Adapters collection.\u003c\/p\u003e","products":[{"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":"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\/fueltech-conversion-harness-systems.oembed","provider":"VTI","version":"1.0","type":"link"}