2500hd knock sensor
When you replace the knock sensor wiring harness, be sure and use the ACDelco harness. Do not use the Dorman or any other harness if you can avoid doing so. For whatever reasons, these engines do not like the aftermarket knock sensor wiring harness'.
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Mike Sigmond
Silverado, Sierra & Fullsize Pick-ups
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Jul 10, 2019 1:45 PM








