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Why would the passenger side power window of a 1989 Buick Lesabre not work from either switch if the motor is good?


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Wiki User
2007-03-31 15:55:12
2007-03-31 15:55:12

First remove the door panel unplug switch from motor take a 12volt battery, ground battery,take hot wire from battery touch it to terminal on motor directly,motor should start,if it does check master switch on drivers side it would be bad. Also check the actual wiring. The wires can become damaged over time, especially on the driver's side (from that door being opened most often).

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There is only one fuse for all power windows. If only the passenger side window does not work, the problem is either with the passenger window switch or the motor on that window.

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If it won't work from either switch suspect motor or regulator, if it works from one switch then it is most likely the switch.

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The switch could be bad at the passenger seat. The switch could be bad at the passenger seat.

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Try wd-40 on master switch and passenger door switch it that doesnt work either your master switch or passenger switch took a dump

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I'm currently having the same issue and from what I've gathered over the past week online, it's one of two things. Either the window switch/connection is faulty OR the regulator. Mine happens to be the switch because the driver side switch for the passenger window works fine. Now my problem is if the passenger and driver switch mechanisms are interchangeable when purchasing?


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