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Window problems... Please Help??

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Old Aug 8, 2011 | 04:00 PM
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Default Window problems... Please Help??

Hello,
I was driving the Vette yesterday and the windows were both down, went to put them back up and the driver side window will not move. There was no noises, like the motor was burning up or anything...
Here is what I have done, I took the door panel off and tryed pulling up on the window while hitting the switch; I have made sure the connectors on the motor are tight. And the switch works. Does this mean It must be the motor? Does anybody know off anything I'm overlooking?
Thanks
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Old Aug 8, 2011 | 04:25 PM
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How do you know the switch works? The first suspect on my list would be the driver's window switch.

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Old Aug 8, 2011 | 05:10 PM
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Or a break in the wire where it goes from door to body.

76,watch your voltmeter while you operate the switch-tell us what it does.
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Old Aug 8, 2011 | 08:45 PM
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Originally Posted by ...Roger...
Or a break in the wire where it goes from door to body.


Been there done that. If you still have the door panel off, try pulling on the wire that goes through the door hinge area into the car interior.

DC
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Old Aug 8, 2011 | 11:28 PM
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Huh ! This was my problem yesterday. Power window would go up but not down.

Pull the 3 wire connector from the passanger side switch and hook it to the drivers side switch. This will tell you if your switch is working.
Put the drivers side connector to the passanger side switch and try.

Years ago I had the 3 hole switch connector fail - so this may be your problem too.
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Old Aug 9, 2011 | 12:45 AM
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Hey guys,
I took both of the wire legs off of the window motor, and had a voltmeter on them. They both had volts to the when the switch was in the correct position; so I think the switch is fine! and there can't be a break because the wires are both hot when they get to the motor, Right?
So I believe it must be the motor... Anybody familar with replacing motors, is it cut and dry?
Thanks everyone!
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Old Aug 9, 2011 | 08:50 AM
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if the motor isnt grounded it wont work, there is a ground attachment screw in the passenger side door frame, that both motors ground to. check the ground..... or try grounding the black (-)wire that goes to the motor, blue is up(+), brn is down (+).

http://www.corvetteforum.net/c3/tune.../index22.shtml

Last edited by speedreed8; Aug 9, 2011 at 08:58 AM.
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Old Aug 9, 2011 | 08:57 AM
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Originally Posted by 76StingrayL48
Hey guys,
I took both of the wire legs off of the window motor, and had a voltmeter on them. They both had volts to the when the switch was in the correct position; so I think the switch is fine! and there can't be a break because the wires are both hot when they get to the motor, Right?
So I believe it must be the motor... Anybody familar with replacing motors, is it cut and dry?
Thanks everyone!
What did your dash voltmeter do in both the up and down positions ?
Reply
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Old Aug 9, 2011 | 02:46 PM
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Originally Posted by ...Roger...
What did your dash voltmeter do in both the up and down positions ?
The dash voltmeter stayed the same i think; I would have to look again... but the rpm tach showed a difference in voltage in both up and down positions.
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Old Aug 9, 2011 | 02:48 PM
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Originally Posted by speedreed8
if the motor isnt grounded it wont work, there is a ground attachment screw in the passenger side door frame, that both motors ground to. check the ground..... or try grounding the black (-)wire that goes to the motor, blue is up(+), brn is down (+).

http://www.corvetteforum.net/c3/tune.../index22.shtml
If the ground on the passenger side was bad, would both windows not work? because the passenger side works fine. And I will have to look and make sure the black wire is in place; I don't even know where it is yet.. Thank you.
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Old Aug 10, 2011 | 04:13 PM
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Originally Posted by speedreed8
if the motor isnt grounded it wont work, there is a ground attachment screw in the passenger side door frame, that both motors ground to. check the ground..... or try grounding the black (-)wire that goes to the motor, blue is up(+), brn is down (+).

http://www.corvetteforum.net/c3/tune.../index22.shtml
Where exactly is the ground on the passenger door frame?
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Old Aug 11, 2011 | 09:46 AM
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Normally I would tell you to reboot... but this is the wrong kind of windows...

I agree, this sounds like a complete ground issue to me. Isnt there a ground going back to the console switch? I could have sworn that there was a grounding spot there as well but its been a couple years since I had to repair mine. I was thinking it ground to the same source as the 12v lighter did?
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Old Aug 12, 2011 | 04:26 AM
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Hey all,
Thanks for all the help! it turned out to be the motor; I've got a new one and it runs fine!
Thanks again
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