PCM pinout wiring diagrams needed?

2004 PONTIAC GRAND AM
80,000 MILES • 3.4L • V6 • 2WD • AUTOMATIC
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DETHRATTLES
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  • 1 POST
Trying to find gremlins.
Apr 4, 2023 at 9:31 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,189 POSTS
Sure, here is a guide to show you how to test the connection and the PCM and engine wiring diagrams in the images below.

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

Check out the images (below). Please let us know if you need anything else to get the problem fixed.
Apr 4, 2023 at 10:48 AM
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