• Tiny
  • rajena
  • 2002 Pontiac Grand Prix
  • 6 CYL
  • FWD
  • automatic
  • 110,000 miles

How to diagnose electric window 2002 pontiac grand prix that will not go up? Electric or mechanical

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have the same problem?
Friday, March 25th, 2011 AT 2:49 AM

1 Reply

  • Tiny
  • PROTECH1980
  • Expert
  • 928 posts

Can you hear it trying to go up? What about down, can you hear it? If no audible noises your gonna have to take the door panel off and check at the window motor for power and ground when tryin to operate window, the terminal voltage will switch one way for up one way for down, but check and make sure you have power and groung both ways. If you do and the window doesnt move you have a faulty window motor. This might be one that comes bought as one unit, motor and regulator together

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Friday, March 25th, 2011 AT 2:58 AM

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