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Old 11-26-2001, 05:35 AM
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Post Power Windows

I've got a strange problem with the power windows in my 1970 Buick Wildcat. It seems the power windows at the drivers controls don't work right away after starting the car. I'll drive for about 15 to 20 minutes then they work ok. This happens every time I shut the car down. All the wiring is stock, as a matter of fact the entire car is completely stock, no alarms or extra light were ever added. Any sugestions/ideas what might be going on would be greatly appreciated. Thanks, Joe

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Old 11-27-2001, 05:11 PM
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just a shot in the dark but i have seen a lot of power window wiring harness go bad as they leave the car to enter the door it might be that when you open the door you break contact and when you ride a bump or vibrations make it have connection again try working the button while wiggling the harness this may not be your problem but it is common
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Old 11-27-2001, 07:05 PM
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One of two things come to mind here, one is a poor ground, the other is worn switches. It`s a good place to start.
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Old 08-16-2006, 01:07 PM
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Wireing problems can be annoying and sometimes heat can play a role. So my question would be. After your car has warmed up and you sit in the dirvers seat.. shut the car off for 2 minutes and start it again do the windows work? Ok same scenario this time open and shut the door.. do they work now? by testing every possible combination you get clues as to where the problem might be
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Old 08-16-2006, 06:23 PM
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Doc here,

I don't have a schematic for a Buick..

Does yours have an MCR (Master Control Relay)? It may be bad or have a cold solder joint..

Is it ALL four malfunctioning From the left only side (location switch function OK) or just the left window?

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