Question about 1988 Chevrolet C1500

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88 Chevy Power Windows

Nothing but problems with power windows on 88 Chevy pickup. Are there two different part numbers for the window swithes? I'm guessing yes without tearing it apart, due to the fact that on drivers side you can control passenger window. The prices of swithes are more that the motors it seems. Which should I replace first, or is there troubleshooting advice that you can give?

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  • its420_us May 11, 2010

    You can check continuity of the switches with a volt/ohm meter. If you get good continuity, then look to the motors. You can jump the motors with a battery charger and see if they work as well.

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No, they are the same switches. You can find the pair here: http://www.am-autoparts.com/AM/Window-Switches/GMC/1500-Truck/-/AM-70602225/?utm_source=google_base&utm_medium=cpc&utm_campaign=new_google_base_feed. I am hoping that commercial links are allowed here b/c I had a tough time finding them.

I literally just finished disassembling the power window and power door lock switches on my 88 Chevy K1500 and found that all of the contacts were green with corrosion. Some contact cleaner took care of that and everything works now. (Still considering buying 2 pair while I can just in case though...)

Posted on May 28, 2009

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Get a can of electrical cleaner or brake cleaner,and take your switches apart and clean them. 9 times out 10 that's all you need, especially a truck that old, they are bound to be dirty, and not making connection.

Posted on May 27, 2009

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