C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1994 Power windows issue

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Old Aug 5, 2014 | 12:50 PM
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Default 1994 Power windows issue

I've been having a problem now for a while, where my power windows intermittently stop working. It has happened to both windows, but usually never at the same time. Then they'll start working again. I never know when it's going to happen, but it's been happening much more frequently lately. Does anyone have a suggestion on what this could be?
thanks in advance!!
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Old Aug 5, 2014 | 02:20 PM
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Originally Posted by hittman
I've been having a problem now for a while, where my power windows intermittently stop working. It has happened to both windows, but usually never at the same time. Then they'll start working again. I never know when it's going to happen, but it's been happening much more frequently lately. Does anyone have a suggestion on what this could be?
thanks in advance!!
Exercise the switches and consider removing them to clean them with 'contact cleaner'. The earlier ones are vented on the back-side and it's easy to use contact cleaner with the tube that's usually attached to the can. Exercise is good for all of the switches.
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Old Aug 5, 2014 | 03:50 PM
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Thanks. I will give that a try.
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Old Aug 5, 2014 | 04:20 PM
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One of my windows was doing the same thing. I found that the nuts holding the window in place were all very loose. I tightened them up and so far so good.
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Old Aug 6, 2014 | 11:21 AM
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Thanks. I will check that too.
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Old Aug 6, 2014 | 02:17 PM
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Originally Posted by hittman
Thanks. I will check that too.
I had the same problem on the passenger window on my 94. I pulled out the manuals and did a check on the switches. I discovered I jad a loose wire in the switch. I pulled all of the wires & cleaned the contacts on both the drivers side & passenger side. As of yesterday all was working fine. I'm glad, I did not want to put in a motor &/or regulator.
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Old Aug 7, 2014 | 02:10 PM
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You had to take the door panel off, correct?
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Old Aug 7, 2014 | 07:38 PM
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You can check the switches without removing the door panels.

DUB
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Old Aug 11, 2014 | 08:25 AM
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Thanks all.
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Old Aug 13, 2014 | 12:34 PM
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My '93 switch on drivers door works ok for the drivers door but the passenger switch will not lower passenger but will close it. The passenger door switch works ok. Will check on cleaning switch.
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Old Aug 13, 2014 | 02:11 PM
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On my '88 the sw has a half dozen long brass/copper "legs" that plug into the connector. Cleaning the "legs" restored normal PW operation.
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Old Aug 13, 2014 | 02:18 PM
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Easy way to clean up the Switches is to spray WD with the spray nossle in the head of the can directly into the switch itself. The high pressure WD shooting out of the can does the trick every time on a dead switch contact problem
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