Budget OBD2 to OBD1 ECU Jumper Harness

OBD2 to OBD1 ECU Jumper Harness – Honda & Acura

Convert your OBD2 Honda or Acura chassis to run an OBD1 ECU for tuning flexibility, engine swaps, or performance upgrades. Our jumper harnesses plug directly into your factory OBD2 engine harness and allow seamless installation of any OBD1 ECU (P28, P06, P72, etc).

An affordable, mass-produced harness ideal for daily drivers, budget builds, and basic conversions.

• Pre-pinned for plug-and-play installation
• Supports OBD1 ECUs (manual or auto)
• Factory-style connectors
  
• Length: approx. 12–14 inches
• Best for street cars and mild performance builds

Compatibility Guide

Choose the correct version based on your vehicle’s factory OBD2 wiring:

If you’re unsure which connector you need just ask, we’re happy to help.