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Power window weirdness

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    Power window weirdness

    Ok group
    My 90 wagon's drivers door window motor is a problem .
    Now this is my daily driver, and replaced the window motor twice , once with a JY part and the next time
    A new motor. Now today go to use the window and nothing. All other Windows work
    Is there a way to test the switch,?
    Can't see another motor being bad again?

    #2
    mOST OF THE AFTERMARKET motors can crap out way before a ford one. Have had used ford ones last longer than new ones
    Scars are tatoos of the fearless

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      #3
      First check for voltage at the motor plug.

      85 LTC, Dark Canyon Red?/ 3.55 open/ HPP Wheels/ 4 Tone Horns/ ***POTM 5/2017*** SOLD
      06 LTC, Silver Birtch, Fully Loaded [ The Daily ] ***POTM 4/2018
      97 Mountaineer, 5.0 H.O. , 135k, Now with functioning window

      89 LTC , Lowered, Straight Piped, (SOLD) 88 LTC (SOLD) Rough and Dirty, 2000 MGM, 2002 MGM, 96 MGM, 2005 MGM LSE (SOLD)

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        #4
        As mentioned, check for voltage first. If voltage is good, try another junkyard motor, however, this time pull one from a passenger side rear door. This is the same part as is used on the driver front door and will have seen much less use than a driver door motor.

        This is what I essentially did on my '90 GM. The original driver door motor would randomly decide it didn't want to work. I swapped in the rear passenger motor and pulled another rear passenger motor from the junkyard a couple weeks ago. Both motors work excellent. My driver side front window rolls up much faster than the passenger side. At some point I'm going to pull a driver side rear motor to use in my passenger front door.
        —John

        1985 Ford F-150 XLT Lariat
        1990 Mercury Grand Marquis LS (POTM March 2017 & May 2019 - gone, but not forgotten)
        1995 Mustang SVT Cobra coupe (cream puff)
        1966 Mustang coupe (restoration in-progress)

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