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Re: 08 3500 silverado- keeps running w/key off
Posted to Technical Discussion Forum on 1/4/2022 8 Replies

The power modes do match, even when the problem occurs. I rechecked BCM and there are no codes current or history. I took a capture of the run/crank relay on terminals 87 which feeds several fuses (blue trace) and terminal 86 (red trace) which receives power f... Login to read more.

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