SpeedFactory Racing OBD Conversion Wiring Harnesses SF-01-042
Part Number: SFH-SF-01-042
SpeedFactory Racing OBD Conversion Wiring Harnesses
OBD Conversion Harness, OBD-2B Vehicle to OBD-1 ECU, for use on Honda®, for use on Acura®, Each
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Estimated Ship Date: Oct 19, 2026 Would you rather pick it up?
Overview
SpeedFactory Racing OBD Conversion Wiring Harnesses
SpeedFactory Racing OBD conversion wiring harnesses are plug-and-play adapter cables that allow enthusiasts to seamlessly integrate different generations of Honda®/Acura® engine control units (ECUs) or distributors without any cutting or soldering. They are highly sought-after for engine swaps and vehicle tuning.
Key details and features:
* Purpose: They allow you to plug an older, highly tunable ECU (typically 1992-95 OBD-1) into a newer or older factory vehicle harness (like OBD-0, OBD-2A, or OBD-2B)
* No cutting required: These adapters feature OEM-style pin connections that click directly into your factory plugs for a reversible, hassle-free installation
* Premium build: Designed to outlast cheaper alternatives, they utilize automotive-grade wire that exceeds OEM specs and feature extended leads (7 in.) for easier routing
* Integrated sub-harnesses: Depending on the specific harness, they include pigtails to easily wire up required engine features like VTEC, knock sensors, and 4-wire oxygen sensors
* Common types available:
-- OBD-0 to OBD-1: Allows you to use an OBD-1 ECU in an older 1988-91 Honda® Civic/CRX or 1990-91 Integra.
-- OBD-2A to OBD-1: Lets you run an OBD-1 ECU in a 1996-98 Civic or 1996–1999 Integra
-- OBD-2B to OBD-1: Designed for 1999-2000 Civics and 2000-01 Integras to use OBD-1 ECUs
-- Distributor harnesses: Adapt different ignition setups (i.e., using an OBD-2 distributor in an OBD-1 vehicle setup)
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Some parts are not legal for use in California or other states with similar laws / regulations
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