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Re: GM passlock issue
Posted to Technical Discussion Forum on 11/23/2010 3 Replies

The old cylinder would sometimes be 5v, jiggling key dropped to 1.74v.

New cylinder stays at 3.24v (different resistors)

[1998 Chevrolet C1500 Silverado, ECM/Inputs/Outputs Scan Data]

The odd thing is though, the battery voltage PID stays at 16.6v all th... Login to read more.

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