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C5 Power Windows behavior

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Old Jan 20, 2014 | 06:46 PM
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Default C5 Power Windows behavior

Sometime they work, sometimes they don't. Driver side work, Passenger side won't. Passenger side work, Driver side don't?
Any ideas? If if was the motor or fuse out, it would never work. Probable the control switch box? What do you think?

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BROWNDERBY
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Old Jan 20, 2014 | 07:00 PM
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More than likely it's the regulator/motor...they are known to go bad. I'm in the process of replacing mine right now! I'm just trying to decide where to purchase the new one!
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Old Jan 20, 2014 | 07:05 PM
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A common problem, usually affects the passenger side more than the driver side due to lack of use.

My driver side is fine, but my passenger side sometimes stops working, I just give the door panel a sharp bang while holding the window-down button and it works for another 4 months!

I have a replacement regulator sitting in the garage, it just hasn't been a nuisance enough for me to change it.

I bought mine from these guys www.upanddownmainstreet.com.




.
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Old Jan 20, 2014 | 07:31 PM
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it's always the passenger side window on my z. It goes and the door lock doesn't work either, so I assume it is a module related issue, or a grounding issue. Does your power door lock work when the window doesn't?
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Old Jan 20, 2014 | 09:03 PM
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If you haven't checked - review the grounds. If they are loose, sometimes the window works, sometimes it doesn't
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Old Feb 3, 2014 | 06:50 PM
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Originally Posted by BROWNDERBY
Sometime they work, sometimes they don't. Driver side work, Passenger side won't. Passenger side work, Driver side don't?
Any ideas? If if was the motor or fuse out, it would never work. Probable the control switch box? What do you think?

Thanks,
BROWNDERBY
A word to the wise, don't buy an aftermarket Regulator. Go on EBay. There are several Chevrolet Dealers there selling factory replacements at a deep discount. Save yourself getting really good at changing window regulators, over and over again.
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Old Feb 3, 2014 | 09:02 PM
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I could hit mine on pass side and it would start working again. I bought a new motor but didn't know I needed a different connector. So then while waiting for the connector, I cleaned where the brushes ride. After using emery cloth on it, it has been trouble free for 8 months.
Chris
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Old Feb 10, 2014 | 08:45 AM
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Thank you guys... waiting for the spring to work on the problem. Been having bad weather lately. Thanks again guys!
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Old Feb 10, 2014 | 10:11 AM
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Originally Posted by rx4arx
If you haven't checked - review the grounds. If they are loose, sometimes the window works, sometimes it doesn't
Outstanding write-up at C5 Tech Important Electrical Information by Bill Curlee. It's a great place to start.

Also check the connectors inside the accordion that pass from the body to each door.
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Old Feb 10, 2014 | 10:40 AM
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My passenger side window used to stop working occasionally. I beat it into submission with a one-pound sledge.

It's been trouble-free for well over a year now. I keep the sledge in the rear storage area just to remind the regulator what's in store for it if it ever stops working again.
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