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RPMS drop when I press power windows.

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Old Oct 18, 2005 | 12:49 PM
  #1  
xlwhellraiser's Avatar
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Joined: Aug 2004
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From: colorado
Car: 1992 Trans/am convertible
Engine: 305 TPI
Transmission: 700r4
Axle/Gears: 2.73 drum WS6
RPMS drop when I press power windows.

Hi, I just noticed today that when I press the power windows switch both at the same time, the rpms drop almost 300-400RPMS down. I am not sure if this would be a cause of a bad idle, and I can hear my alternator whinning. This is new since I could never hear it before.
What do you think?? A short?? Insulation problem??
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Old Oct 18, 2005 | 05:25 PM
  #2  
fire350tpi's Avatar
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Joined: Sep 2005
Posts: 709
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From: Middleboro, MA
Car: 1988 Pontiac trans am/gta
Engine: 350
Transmission: 700r4
Axle/Gears: 3.23's
Bad alternator? or bad wires?
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