{"title":"Honda Civic EF \/ CRX Wiring","description":"\u003cp\u003eWiring solutions for 1988–1991 Honda Civic EF and CRX projects, including B- and D-Series engine integration, OBD0\/OBD1-related conversion hardware and VTI-built harness components.\u003c\/p\u003e\u003cp\u003eSwap combinations vary, so verify the engine, ECU generation and chassis connector requirements listed on each product.\u003c\/p\u003e","products":[{"product_id":"88-91-civic-crx-obd0-b-d-series-chassis-subharness-ef","title":"VTI B\/D-Series Chassis Subharness – 88-91 Honda Civic EF \/ CRX OBD0 Swap","description":"\u003ch2\u003eClean Chassis Integration. No Interior Splicing.\u003c\/h2\u003e\u003cp\u003eThe VTI Motorsports B\/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\u003eM22759\/32 Tefzel 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\u003eBuilt in-house to Mil-Spec construction with M22759\/32 Tefzel wire. Custom routing is available by inquiry.\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\u003cp\u003eExplore \u003ca href=\"\/collections\/vti-in-house-built-harnessing\"\u003eVTI-built Honda harnessing\u003c\/a\u003e for engine-side looms and other chassis interfaces. For a different ECU or chassis combination, \u003ca href=\"\/pages\/custom-engine-harness-inquiry\"\u003esend a custom harness inquiry\u003c\/a\u003e.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Mil-Spec","offer_id":47209187803328,"sku":"vti48","price":227.7,"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":"d-b-series-obd1-tucked-engine-harness-kit-w-subharness-88-91-ef-crx","title":"D \u0026 B-Series OBD1 Tucked Engine Harness Kit w\/ Subharness | 88 - 91 EF CRX","description":"\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003cp\u003eOur engine harness is made with new high quality connectors, and automotive grade wiring. Carefully designed to run hidden in the engine bay to enhance the aestic \"wire-tuck\" look. The installation is less complex than our competitors, 95% plug n play. Compatible Honda Civic 92-95 with D \u0026amp; B Series engines.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e***Note: Charge harness not included must be ran independently. Must run High Impedance injectors, is not compatible with a resistor box.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThis kit includes:\u003cbr\u003e1x Wire Tuck Engine Harness\u003cbr\u003e1x Sub (Underdash) Harness\u003cbr\u003e\u003cbr\u003eInjector Connector: Select from Dropdown\u003cbr data-mce-fragment=\"1\"\u003eAlternator Connector: OBD1 Style\u003cbr data-mce-fragment=\"1\"\u003eDistributor: OBD1 Style\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Label Abbreviations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFAN - Radiator Fan Switch\u003cbr\u003eVSS - Vehicle Speed Sensor (Trans)\u003cbr\u003eGND - Chassis Ground\u003cbr\u003eDIS -Distributor\u003cbr\u003eREV - Reverse Lights\u003cbr\u003eECT -Engine Coolant Temp Sensor\u003cbr\u003eVTS - VTEC Solenoid\u003cbr\u003eH2O -Temp sender for Cluster (Coolant)\u003cbr\u003eST -Starter Trigger\u003cbr\u003e1 - 4 -Injectors\u003cbr\u003eO2 - Oxygen Sensor\u003cbr\u003eALT - Alternator\u003cbr\u003eKS - Knock Sensor\u003cbr\u003eOIL - Low Oil Pressure Warning\u003cbr\u003eIAT - Intake Temp. Sensor\u003cbr\u003eEXTRA - AUX WIRES (Can be pinned for Boost by Gear, etc.)\u003cbr\u003eTPS -Throttle Position Sensor\u003cbr\u003eIAC -Idle Air Control Valve\u003cbr\u003eMAP - Manifold Pressure Sensor\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eVideo Overview:\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/iIKGCvtlcUo\" title=\"YouTube video player\" data-mce-src=\"https:\/\/www.youtube.com\/embed\/iIKGCvtlcUo\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAppreciate @5StarGarage for showing off the overview, and the install of our engine harness! Give him a follow!\u003c\/p\u003e","brand":"Carrot Top Tuning","offers":[{"title":"OBD1","offer_id":48236702171328,"sku":"EF-OBD1-ENG-B-OBD0-SUB-OBD1","price":394.95,"currency_code":"USD","in_stock":true},{"title":"OBD2","offer_id":48236702204096,"sku":"EF-OBD1-ENG-B-OBD0-SUB-OBD2","price":394.95,"currency_code":"USD","in_stock":true},{"title":"DENSO-TOP","offer_id":48236702236864,"sku":"EF-OBD1-ENG-B-OBD0-SUB-DENSOT","price":394.95,"currency_code":"USD","in_stock":true},{"title":"DENSO-BOTTOM","offer_id":48236702269632,"sku":"EF-OBD1-ENG-B-OBD0-SUB-DENSOB","price":394.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/d-b-series-obd1-tucked-engine-harness-kit-w-subharness-88-91-ef-crx-01.jpg?v=1790739578"}],"url":"https:\/\/www.vtecinnovations.com\/collections\/honda-civic-ef-crx-wiring.oembed","provider":"VTI","version":"1.0","type":"link"}