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Thread: Window won't go up! Replaced motor & regulator

  1. #1

    Default Window won't go up! Replaced motor & regulator

    Hi! I have a 2004 Jeep Grand Cherokee. A few weeks ago my rear passenger window started acting funny. It just started to go down on its own. I was able to get it to go back up, so I just figured my car was haunted.

    The other day, it rolled itself all the way down again and stayed there. Nothing I could do could roll it back up. So, I figured I had to replace the motor and regulator. I did that yesterday and....my window only was able to roll down but it would not go up.

    Is my new regulator a defect? Is there another problem that I failed to notice?

    Thanks in advance for your thoughts!

  2. #2
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    Have you checked the switches? I would start there.
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  3. #3
    give me your nachos Beavis's Avatar
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    what was the condition of the old regulator when you took it out? if the cable was still attached, and the motor worked, then you've got another problem (switch/wiring - could try using a switch from another door to rule that out)

  4. #4
    Registered DaveG55's Avatar
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    Did you check the wiring in the boot between the drivers door and the body?
    That would have been the first place I would have checked for the problem you describe.
    Any sufficiently advanced technology is indistinguishable from magic.

  5. #5

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    Did you check to see if the window block broke? Although I never had phantom rolling down of windows, my drivers rear window wouldn't roll up. After taking it apart I found the white window block broken. Instead of purchasing an entire new bracket with motor and everything I found this site and ordered a steel block.

    Here's the site.

    http://www.digitaltuning.com/?pid=jpw

  6. #6

    Default Thanks!

    Thanks for your input everybody. I haven't checked the wiring because everything I saw on the internet about my problem said to replace the regulator. So I did that.

    Just one thing, though, the master switch up front/driver's side and the switch for the window with the problem (passenger rear) but do that same -window can go down but not up. Will follow through with checking the wiring in the morning. Thanks!

  7. #7

    Default Amazing

    So it wasn't the motor and/or regulator at all. It was a completely cut wire inside the boot, between the door and the body of the car. Now I can get my $200 back!

    My question is, that wire, along with 2 others were cut. Should I somehow splice them back together (if so, would I simply get some wire and connect them?) or should I purchase a new harness (if so, what is that called -appears to have the wires for the window motor and regulator attached).

    Thanks!

  8. #8
    Registered DaveG55's Avatar
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    You can either add a bit of wire and solder/heat shrink tape it in or buy and use the crime style butt connectors with heat shrink covering.
    That is sufficient to make the repairs, a new harness is not needed, which is good cause the're pretty pricey.
    Any sufficiently advanced technology is indistinguishable from magic.

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