I just replaced my oem engine harness with a casper harness. And i cut the wire for the wideband A6 but dont remember which side it should attach to. The engine side or the ecm side of the wire?
I just replaced my oem engine harness with a casper harness. And i cut the wire for the wideband A6 but dont remember which side it should attach to. The engine side or the ecm side of the wire?