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Re: GMC c6500 parking brake module DTCs
Posted to HD/Fleet Forum on 4/22/2020 1 Reply

It sounds like you found the right spot to jumper, small square hole, but do not jumper it to ground, there should be 2 pins in there, use a pocket screwdriver or similar device to jumper them together. As you stated it is going to be tough without all the lcd... Login to read more.

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