.›OBD2B-OBD1 ECU Jumper Conversion Harness Adapter Plug And Play For
Performance: This harness convert a OBD2B in OBD1 ECU connector. If the ECU are not a OBD1 and the wiring harness that in the car are not OBD2B, the jumper will not work. Only applies to OBD2B, not to OBD2A.