PRODUCT DETAILS
SpeedFactory OBD0 MPFI to OBD1 ECU Jumper Harness
The SpeedFactory OBD0 MPFI to OBD1 ECU Jumper Harness is designed for enthusiasts who want to run a JDM or USDM OBD1 manual transmission ECU in an OBD0 Honda/Acura chassis. This harness is compatible with 1988-1991 Honda Civic/CRX HF, Si, EX and 1990-1991 Acura Integra Multi-Point Fuel Injection (MPFI) models, providing a seamless solution for high-performance tuning while maintaining proper sensor connections.
Engineered for reliability, this harness features OEM-style ECU pin connections, extended 7-inch leads for flexible routing, and durable automotive-grade wire that exceeds factory specifications. The included 3-foot pigtail simplifies connections to critical sensors such as the 4-wire oxygen sensor, VTEC solenoid & pressure switch, knock sensor, and IAB solenoid (if applicable), ensuring your OBD0 to OBD1 conversion is clean and accurate.
Key Features:
- Allows the use of an OBD1 M/T ECU in an OBD0 Honda/Acura chassis
- Compatible with 1988-1991 Honda Civic/CRX HF/Si/EX MPFI and 1990-1991 Acura Integra
- OEM-style ECU pin connections for reliable performance
- Extended 7-inch harness leads for easier installation
- Includes 3’ pigtail for sensor connections
- Durable automotive-grade wire exceeding OEM standards
- No cutting or soldering required for standard applications
Installation:
Plug one side of the harness into your OBD1 ECU and the other side into your OBD0 engine harness. Proper sensor wiring is included for critical components to ensure correct engine management. Additional parts required to complete the conversion include an OBD1 distributor, OBD1 4-wire oxygen sensor, and the OBD1 Honda ECU.
Upgrade your OBD0 Honda or Acura chassis with the SpeedFactory OBD0 MPFI to OBD1 ECU Jumper Harness for reliable, high-performance tuning and precise ECU integration.