HA Motorsports OBD1 to OBD2B USDM ECU jumper harness for converting an OBD1 vehicle to use an OBD2B USDM ECU. HA Motorsports ECU jumper harnesses are constructed using cross-linked automotive TXL wire that exceeds OEM specifications and is extremely durable. Uses all new OEM ECU connectors for durability and OE quality fitment.  Designed and built right here at our facility in the USA!

For installing an OBD2B USDM manual transmission ECU into the following vehicles:

• 92-95 Honda Civic with manual transmission
• 92-95 Honda Del Sol with manual transmission
• 92-95 Acura Integra with manual transmission
• 90-95 Honda Accord 4 cylinder with manual transmission
• 92-95 Honda Prelude with manual transmission

Secondary O2 sensor pigtail wiring:

• Green wire from OBD2B ECU connector A8 - Secondary O2 sensor heater control.
• Red wire from OBD2B ECU connector B1 - Secondary O2 sensor power
• Black wire from OBD2B ECU connector C18 - Secondary O2 sensor ground
• White wire from OBD2B ECU connector A23 - Secondary O2 sensor signal / input to ECU

All HA Motorsports ECU's, products, and services include a One Full-Year VIP Warranty