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Re: Knock sensor voltage on GM
Posted to Technical Theory Forum on 12/10/2013 1 Reply

Hey Tim,

1. Disconnect the 24X Crankshaft Position (CKP) Sensor and the Cam Position (CMP) Sensor.

2. Test for 12 volts on the Light Green wire in terminal A at the 24X CKP harness.

3. Test for 12 volts on the Red and White wire in terminal A at the CMP ... Login to read more.

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