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Power windows

Tiny
KKLEVECZ
  • MEMBER
  • 2002 GMC SIERRA
  • 6.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 256,000 MILES
Drivers door window will not go up or down. Changed master switch (quad cab so controls four windows), still nothing. Bought new window motor, still nothing. All the windows work from drivers door and from their respective door switches. Only drivers window is inoperable.
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Sunday, July 23rd, 2017 AT 2:04 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check to see if any wires broken between door and jamb that is a common occurrence with older vehicles.

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

Check dark blue wire at motor to see if getting power if it does then that eliminates broken wire I am assuming all windows operate from master switch. See picture
it can also be a broken regulator as well.
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Monday, July 24th, 2017 AT 6:06 AM

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