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Electronics | SpeedFactory OBD0 MPFI - OBD1 Jumper Harness | SF-01-043

Electronics | SpeedFactory OBD0 MPFI - OBD1 Jumper Harness | SF-01-043

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SpeedFactory Racing OBD0 to OBD1 ECU Conversion Harness for Multi-Point Fuel Injection


The use of an OBD-1 (92-95) ECU is needed for proper tuning of your high performance engine. The SpeedFactory OBD-0 to OBD-1 ECU Conversion Harness for Multi-Point Injection allows you to use a JDM or US OBD-1 M/T ECU in an 88-91 Civic, CRX or a 90-91 Integra, (OBD-0) Chassis.

We designed our harnesses to be superior to other versions available on the market by using original equipment style ECU pin connections on all plugs, lengthening the harness leads to 7" and by using durable automotive grade wire that exceeds OEM specifications.

Our harness includes a 3’ pigtail and detailed instructions to simplify wiring for the sensors you need to properly complete your conversion. Wiring provisions include: 4-wire oxygen sensor, VTEC solenoid & pressure switch, knock sensor, and IAB solenoid (if applicable).

Compatible vehicles:

88-91 Civic/CRX HF/Si/EX Multi-Point fuel injection models (STD & DX models require additional wiring)

90-91 Integra (all models)

There are additional parts required to complete your OBD-0 to OBD-1 conversion when using our harness that can also be purchased at SpeedFactory.

Additional Parts List:

SpeedFactory Racing OBD-0 MPFI (Vehicle) to OBD-1 (Distributor) Conversion Harness (Available Here!)

OBD-1 distributor for your engine

OBD-1 4-wire Oxygen Sensor

OBD-1 Honda ECU

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