knock sensor wiring | DSMtuners So I searched and couldn't find a definite answer to my question and I just want to make sure. So somehow the wiring of my knock sensor got chewed up/frayed and I'm going to rewire it. The white wire on the knock sensor goes to the red wire on the harness but the black wire on the sensor/harness is just a ground wire correct? Knock Sensor Operation - YouTube Click to view on Bing2:02The Knock sensor is a actual microphone screwed into the engine block. It is tuned to listen to the exact frequency of an engine knock, which is a high frequency ping. A failing knock sensor will cause all sorts of problems to Author: ADPTrainingViews: 1M Knock sensor wiring (power & ground?) | DSMtuners I am looking into how the knock sensor works. I know there is a white wire and a black/white wire. The black/white wire is a ground. Now, is the "white" wire a power or a ground type signal wire? I want to know if the "white" wire were to be grounded would that cause a knock count? It is not an issue I am having on my car.
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