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07-22-2014, 08:34 PM
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#1 |
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Registered User
Join Date: Oct 2012
Location: hallsboro north carolina
Posts: 57
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power windows
i have a question about power windows. i have a 1989 silverado and im having a problem with the windows not wanting to go up and down and the door locks not working. if i hit the door panel or slam the door they start back working. today i was pushing the button trying to get the window up and it caused my radio to skip. also when the driver side stops so does the passenger side. im thinking the switches. am i right or do i have a bigger problem? thanks in advance for any and all help.
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1989 Silverado long bed 350 |
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07-22-2014, 09:05 PM
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#2 |
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Junior Member
Join Date: May 2007
Location: Hampstead, NC
Posts: 313
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Re: power windows
The power to the switches is the issue if its both sides. You could have a frayed wire somewhere. Time to pull the door panels and grab a multimeter and check the wires and connections, both ground and 12 volts.
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1979 K10 reg cab short bed 33x12.50s - GONE 1988 4x4 reg cab long bed 337k miles - GONE 1995 Z71 GU6 G80 F44 ext cab short bed 149k 305/70/16s - GONE 1995 NZZ GT4 2dr Tahoe 3" lift 14 bolt sf 155k 305/70/16s - GONE 1994 Z28 M6 1995 Z71 GT4 G80 ext cab short bed 215k GONE 1997 GT4 G80 Yukon 4 door leather, sunroof 168k miles GONE 2003 Avalanche Z71 GT4 G80 165k miles |
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07-23-2014, 09:31 AM
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#3 |
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Registered User
 
Join Date: Jun 2011
Location: Bradenton, Fla.
Posts: 1,100
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Re: power windows
Both window & lock switches have prongs on the back side, ..they just plug in.
They can get corroded. First try this: Get a firm butty knife and "pop" them out. Clean the contacts, then push them back in, then see if that fixes it. Or, remove the bezel panel the switches are attached to, if they are stuck, due to corrosion, and remove the switches. The switches are self-contained ( not serviceable )..... Contact LMC Truck & order new switches ( not expensive)...... I believe the problem driver door switches affect the passenger switch? Replacing them can take as long as 40 minutes!! I had the same problem & replacing the switches fixed it.
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'70 GTO Midnight Blue '88 GMC Sierra SLE 392,000 miles-(2018) sold to Classic car shop in Germany. '93 Cadillac STS Black '93 Mercedes SL 500 Teal '86 Yamaha FZ750 - 15,000 RPM '86 Yamaha FJ1200 - Criminally Fast 2016 Ferrari 488 GTB, I drive it - don't own it. '05 GMC Yukon XL , SLT 4wd ( just purchased 2018) |
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07-23-2014, 09:58 AM
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#4 |
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Registered User
Join Date: Oct 2009
Location: .
Posts: 2,187
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Re: power windows
I would also check the wiring through the door jam. Its a common place for wires to break.
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07-23-2014, 12:33 PM
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#5 |
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Registered User
Join Date: Oct 2012
Location: hallsboro north carolina
Posts: 57
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Re: power windows
i will check both and let yall know what i find. i can hit the door panel and they will start back working, it confused me that the locks will stop working to. i got to get it fixed because the way my luck goes a monsoon will come and my window will not roll up. thanks again for the help.
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1989 Silverado long bed 350 |
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07-23-2014, 08:21 PM
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#6 |
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laying low
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 14,116
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Re: power windows
Had this happen on my old 88 GMC. The passenger side of that truck was like brand new as in it was never used but the window switch on that door was the culprit. It went bad and caused both doors to act up.
The bad switch went soft. I mean when I pushed it it had a weak spring feeling in it. Anyway I hope yours is as easy to fix.
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Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver 'primer is finer' Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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07-23-2014, 11:36 PM
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#7 |
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Registered User
Join Date: Oct 2012
Location: hallsboro north carolina
Posts: 57
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Re: power windows
Thanks Boog, so do I
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1989 Silverado long bed 350 |
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