OBD2A to OBD1 ECU Jumper Conversion Harness Adapter for / for. 1 x OBD2A to OBD1 Jumper Conversion ECU Harness. This harness adapter will allow you to use an older OBD1 1992 to 1995 ECU ( 1992 to 1995 computer) in your newer 1996+ for or for vehicle.
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