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Rear driver side window will not roll up or down

Tiny
ALEXTTT
  • MEMBER
  • 2004 PONTIAC GRAND PRIX
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
I tried using both switches and nothing. Doesn't make any noises.
Monday, December 9th, 2019 AT 1:39 PM

5 Replies

Tiny
AL514
  • MECHANIC
  • 4,122 POSTS
Hello,

There may be a break in the wire or wires that run through the rubber tube where all the wires for the door are. You can see it when you open the door. Plus the door covers come off pretty easy, you can pop that cover off and check the wiring directly at the window motor. It's also possible the motor stop working all together. There are usually 2 wires going to the window motor, they are 12 volts each depending on if the window is being commanded up or down.
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Sunday, March 21st, 2021 AT 11:12 AM
Tiny
ALEXTTT
  • MEMBER
  • 59 POSTS
I replace the window regulator and it's working! But only at the master switch and if I try to move the window from the rear passenger it wont work on either sides.
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Sunday, March 21st, 2021 AT 11:12 AM
Tiny
AL514
  • MECHANIC
  • 4,122 POSTS
It sounds like the master switch is bad, I know there's alot of wires coming out the switch, but there should be one wire with power going to one of the rear windows when the switch is pushed. Same with the other rear window, it's not too hard if a switch to diagnose.
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Sunday, March 21st, 2021 AT 11:12 AM
Tiny
ALEXTTT
  • MEMBER
  • 59 POSTS
So if the master switch is bad it wont send power to rear switches?
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Sunday, March 21st, 2021 AT 11:12 AM
Tiny
AL514
  • MECHANIC
  • 4,122 POSTS
Yes, it sends power to the rear switch then to the window motor, that's how you can control the rear windows from the drivers seat.

https://www.2carpros.com/articles/electric-window-repair
https://www.2carpros.com/articles/how-to-check-and-replace-a-electric-power-window-motor
https://www.2carpros.com/articles/door-panel-removal
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Sunday, March 21st, 2021 AT 11:12 AM

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