Power windows do not work?

Tiny
MARGOMEL
  • MEMBER
  • 1999 CHEVROLET SUBURBAN
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 240,000 MILES
Windows don't work, I hear click under dash when pressing child lock button.
Tuesday, September 5th, 2023 AT 4:32 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
It sounds like the main switch went out. But we should check the PWR WDO circuit breaker, this guide can help:

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

If the circuit breaker is okay here is how to change the main switch out and I have included the window system wiring diagrams so you can see how the system works.

Check out the images (below). Please let us know how it goes.
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Tuesday, September 5th, 2023 AT 12:58 PM

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