99 power windows not working - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-06-2009, 03:51 PM   #1
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Default 99 power windows not working

advice on troubleshooting?

the problem was intermittent a month or so ago, now none of the windows open. fuses/breakers to check?


there is no whining to suggest that the motors are running and the windows are stuck. hit the switch, nothing happens

help?
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Old 03-08-2009, 01:50 AM   #2
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and now they work again.... im guessing master switch..?
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Old 03-16-2009, 11:38 AM   #3
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bump

123
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Old 03-16-2009, 12:06 PM   #4
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Intermittent problems with power accessories is probably more due to bad grounds or damaged wires. Did you find this thread follow the recommendations? https://www.gmforum.com/t278980/

If you did, you and you still have the problem, you will need to start chasing wires down with a multi-meter and check relays.
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Old 03-17-2009, 03:38 AM   #5
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now that sounds plausable,
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Old 08-29-2009, 07:53 PM   #6
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bus bar clean as a whistle... anyone have a power window schematic?
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