Engine wiring harness please

DANIELLE MARTIN ROUGHTON

MEMBER
2004 GMC ENVOY
198,000 MILES

I need the labels for the wires for my 26 pin connector because mine got cut.

Monday, January 25th, 2021 AT 1:46 PM

1 Reply

KEN L

MASTER CERTIFIED MECHANIC
47,512 POSTS

Here is a guide to help you witht he testing and the engine wiring diagrams below:

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.

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Engine wiring harness please

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