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Your knock sensors tie right into the main wiring harness, so if you want to trace the line to the ECU you will need to cut a lot of wire loom to track it. I would start with AC Delco sensors first.
You could always tune out the error codes, if you like to live on the edge...
Thx for the reply. Does anyone know the part number for the AC Delco harness? RockAuto doesn't carry it. On their site it says the AC Delco sensor mates with PT2652 but when you look that up it says doesn't fit your vehicle. RockAuto carries a Standard Motor Product brand of connector.
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