Question about Cadillac DeVille

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Power windows quit working

The power windows in my 1977 cadillac coupe de ville quit working. I checked the circuit breaker in the fuse box and it looks good.

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  • Tony Loanz May 10, 2009

    OK, thanks will do. The car has only 77,000 miles, xlnt shape, so a break is not likely. both windows worked then one stopped working and a few days later the other stopped working. The owners manuel shows a circuit breaker but I didn't see a fuse.

  • Tony Loanz May 10, 2009

    will do. thanks again.

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On a 77' I'd go directly to switch & check for power there, if none, and your sure all the fuses etc have been checked and are o.k., take a good look at the door jamb area where harness is near hinges for a break or corroded wire in the loom that folds when door is closed & opened. See if you have power coming through that area.

Posted on May 10, 2009

  • Mike Butler
    Mike Butler May 10, 2009

    Sounds like a nice cruiser. Window tracks (felt) may be a little dry & causing excessive amperage draw, thus tripping circuit breaker. Spraying some silicone down those tracks may get things moving easier, to help lower amp draw when in use. Most of those circuit breakers either reset when they cool, or when ignition turned off, then back on. Could be right in switch too, so testing will tell the story.

  • Mike Butler
    Mike Butler May 10, 2009

    FYI. Have you gone to (autozone.com ) yet & signed up for free access to manuals? I see it has quite a bit for that vehicle, along with wiring diagrams, fuse panel pictures etc, which may come in handy for you .

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Hey Tony I'm having the same problem with my 1977 Coupe now. The exact same, in the same order as your window problem. Can you tell me what you did to fix the problem. Thanks

Posted on Sep 16, 2009

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