engine wiring harness please

2004 GMC ENVOY

198,000 MILES

DANIELLE MARTIN ROUGHTON

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

Jan 25, 2021 at 1:46 PM

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53,854 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.

Images (Click to enlarge)

Jan 27, 2021 at 9:44 AM