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No power windows 1997 STS

Tiny
KEITH BRIDGEN
  • MEMBER
  • 1997 CADILLAC STS
  • 285,000 MILES
Hello, I have a 1997 sts. About a week ago my power windows started to hesitate. This was all 4 windows as well as the sun roof. Now none will go up or down. I checked the fuses in the trunk as well as the one's under the hood. All seem fine. Is there a relay or something else that may cause this? Thanks, Keith
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Wednesday, July 27th, 2011 AT 5:16 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
At the hinge side of driver door, check the wiring harness. Pink wire is voltage, use a voltage tester, for power windows, black wire is ground.

Note the diagram. Remove power window circuit breaker, one leg should be hot all the time, use voltage tester.
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Wednesday, July 27th, 2011 AT 5:53 PM
Tiny
KEITH BRIDGEN
  • MEMBER
  • 2 POSTS
Thank you very much, Keith
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Wednesday, July 27th, 2011 AT 6:13 PM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Remove the window switch test for power and funcition. The master switch maybe bad.
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Wednesday, July 27th, 2011 AT 6:38 PM

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