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1999 Convertible Power Window Quit Working

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Old Apr 2, 2015 | 10:40 PM
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Default 1999 Convertible Power Window Quit Working

My 1999 Convertible driver side power window quit working. Yesterday it was working fine. Today when I tried to roll the window down it would not work. When I depress the switch to either the up or down position I can hear a clicking sound like there is power at the switch, but nothing happens. And the power door lock works fine. I have not had any previous indication that there was a problem with the window. It has always worked without issue. Can anyone help with what the problem may be or what I should check to find where the problem is? Thanks
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Old Apr 2, 2015 | 11:31 PM
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https://www.corvetteforum.com/forums...come-down.html

https://www.corvetteforum.com/forums...roll-down.html


Last edited by 73Corvette; Apr 2, 2015 at 11:37 PM.
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Old Apr 3, 2015 | 12:03 AM
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Great information on these two links about fixing this issue . Thank you very much. I'll try some of them tomorrow and hopefully get my window working again. I'll post the results if any of the fixes worked.
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Old Apr 3, 2015 | 12:17 AM
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Originally Posted by vracer99
Great information on these two links about fixing this issue . Thank you very much. I'll try some of them tomorrow and hopefully get my window working again. I'll post the results if any of the fixes worked.
Your welcome and follow up will be AWESOME! Many don't...
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Old Apr 3, 2015 | 03:45 PM
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I am not a big fan of shaking or hitting mechanisms to get them to work as a solution for problems. THe can motor design traps the brush material as it wears, creating a pile of conductive dust that shorts the motor, so if you shake the dust , it returns to function, for a while.

It's not hard to switch out only the motor, and leave all the other stuff in place, adjusting the window glass can be troublesome I hear. I had to remove the speaker, loosen some stuff, and work blind on the motor at times, but it was better than adjusting window travel on a convertible . A man had to know his limits, plus where to get extra door panel fasteners when they break.
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Old Apr 3, 2015 | 05:17 PM
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The motor and regulator used to be sold as 1 unit. It would be nice if we can get just the motor. I've replaced a few on my car and local friends. Replacement isn't that bad, I didn't pull the speaker as the video shows. Adjusting it can take time to get correct. You can have it where you think you need it, then have a gap at 80mph
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Old Apr 3, 2015 | 06:29 PM
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Originally Posted by strand rider
I am not a big fan of shaking or hitting mechanisms to get them to work as a solution for problems. THe can motor design traps the brush material as it wears, creating a pile of conductive dust that shorts the motor, so if you shake the dust , it returns to function, for a while.
It's not hard to switch out only the motor, and leave all the other stuff in place, adjusting the window glass can be troublesome I hear. I had to remove the speaker, loosen some stuff, and work blind on the motor at times, but it was better than adjusting window travel on a convertible . A man had to know his limits, plus where to get extra door panel fasteners when they break.
I'm confused... your not of fan of shaking or hitting, then your say to shake...
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Old Apr 4, 2015 | 08:55 AM
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Originally Posted by vracer99
Great information on these two links about fixing this issue . Thank you very much. I'll try some of them tomorrow and hopefully get my window working again. I'll post the results if any of the fixes worked.
If it were me, I would remove the door panel and unplug the motor. I would then jumper a 12v source and ground to the motor to see if it works. You just reverse the polarity on the motor to make it go the other way.

The fact that you can hear the relays click and it will not go either way, it sounds like a motor issue or a bound up regulator.

Here is a link on panel removal.

http://www.vetteessentials.com/instr...or_handle.html
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Old Apr 4, 2015 | 09:37 AM
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Originally Posted by strand rider
I am not a big fan of shaking or hitting mechanisms to get them to work as a solution for problems. THe can motor design traps the brush material as it wears, creating a pile of conductive dust that shorts the motor, so if you shake the dust , it returns to function, for a while.

It's not hard to switch out only the motor, and leave all the other stuff in place, adjusting the window glass can be troublesome I hear. I had to remove the speaker, loosen some stuff, and work blind on the motor at times, but it was better than adjusting window travel on a convertible . A man had to know his limits, plus where to get extra door panel fasteners when they break.
Shutting the door while holding the switch to "jar" it is a pretty good test, much like having someone "tap" on the starter if your car won't turn over.... it is NOT a fix but, if that works... It gives you an idea that it probably needs motor repair... or possible a bad connection that needs attenntion...
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Old Apr 4, 2015 | 12:19 PM
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Originally Posted by strand rider
I am not a big fan of shaking or hitting mechanisms to get them to work as a solution for problems. THe can motor design traps the brush material as it wears, creating a pile of conductive dust that shorts the motor, so if you shake the dust , it returns to function, for a while.

It's not hard to switch out only the motor, and leave all the other stuff in place, adjusting the window glass can be troublesome I hear. I had to remove the speaker, loosen some stuff, and work blind on the motor at times, but it was better than adjusting window travel on a convertible . A man had to know his limits, plus where to get extra door panel fasteners when they break.
One thing that makes you a bigger fan of hitting an shaking to get the window to work is when you are trying to get the window up when it's raining or you need to lock the car to leave it and the window won't move. Knowing that vibrating the motor will get it to temporarily work is a big advantage. And many have reported that this worked for years.
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Old Apr 4, 2015 | 02:37 PM
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OK, this may help you convertible guys that have this same problem. I tried all the beating on, shaking, jiggling, etc., etc., etc. None of these tactics worked. Then as a last resort before getting serious and removing the door panel, I had a brain storm. When you press the button behind the drivers seat to release the convertible top boot, there is an express down feature that lowers both windows at the same time. So just for grins I tried this as if I were going to put the top down. Voila, both windows went down and now the driver side window is working fine using the door switch. So I guess as some of the suggestions stated, either my motor was in a bind or the relay had stuck. At least this little trick will let you know that the motor, relay, or door switch are not bad. I don't know the workings of all the circuitry and why this cured my problem, but I offer it to maybe also help someone else. I'll post an update if the problem returns. Thanks to everyone for your input.
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Old Apr 4, 2015 | 03:44 PM
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Originally Posted by vracer99
OK, this may help you convertible guys that have this same problem. I tried all the beating on, shaking, jiggling, etc., etc., etc. None of these tactics worked. Then as a last resort before getting serious and removing the door panel, I had a brain storm. When you press the button behind the drivers seat to release the convertible top boot, there is an express down feature that lowers both windows at the same time. So just for grins I tried this as if I were going to put the top down. Voila, both windows went down and now the driver side window is working fine using the door switch. So I guess as some of the suggestions stated, either my motor was in a bind or the relay had stuck. At least this little trick will let you know that the motor, relay, or door switch are not bad. I don't know the workings of all the circuitry and why this cured my problem, but I offer it to maybe also help someone else. I'll post an update if the problem returns. Thanks to everyone for your input.
Nice... adapt, overcome, improvise...good job and thanks for sharing what you did.
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Old Apr 4, 2015 | 05:14 PM
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Originally Posted by 73Corvette
I'm confused... your not of fan of shaking or hitting, then your say to shake...
no confusion intended. A closer reading will remind I wrote "if you shake" , not the differing statements you imply.

Some fixes are better than others, but still get results. I was simply trying to define one common condition of failure, and why agitation fixes the deal.

I also don't prefer adjustable spanners as a first choice, but have a small assortment of them , with no disconnect in logic. I suppose I could have left my personal impression out of my comments, but didn't, hardly thinking it could cause a lack of understanding.

I will offer this as fun, a tool story about personal choice, repeated from old reading.

Rols Royce was hiring mechanics for the line, back in the old brass radiator days, experienced only. A guy gets hired, comes in , and in setting set up for work , his supervisor sees a large hammer in the bottom of the guys tool box, fires the guy on the spot. Says nobody with a hammer in the tool box will work on a Rolls Royce .


If the guy looking for only a window motor read this far, I bought mine from Auto zone , but could have used other common parts stores . Autozone had for less money at the time. I didn't want the regulator assembly, that meant adjustment and skill. Lacking skill, I would spend a whole lot of time learning to adjust Corvette windows, something I have been just fine without.


to the others that have read this far- sorry.
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Old Apr 4, 2015 | 05:25 PM
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[QUOTE=strand rider;1589344592]no confusion intended. A closer reading will remind I wrote "if you shake" , not the differing statements you imply.


Gotch ya...
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