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Need wiring diagram for window switch and motor?

Tiny
19JOHNREX86
  • MEMBER
  • 2002 CHEVROLET SILVERADO
  • 6.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
Back driver's side window will only go up not down and it only works with the driver master switch, it doesn't work with the back switch at all other windows working with main switch.

Does that mean just the back switch is bad or could it be the main switch as well

Thank you for the help
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Tuesday, November 5th, 2024 AT 12:10 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,722 POSTS
Chances are the rear window switch is bad, the down relay or the main window switch is bad. Here is a guide to help test to see where you are losing power/ground:

https://www.2carpros.com/articles/electric-window-repair

Here is the window wiring diagrams so you can see which wires to test for power and ground:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the images (below). Please upload pictures or videos in your response of any problems so we can see what to help you with.
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Tuesday, November 5th, 2024 AT 12:54 PM

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