Oldsmobile Questions? Ask a Mechanic for Answers ASAP
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It is most commonly the window motor. The way you would verify it is to remove the door panel and check power and ground at the window motor while activating the switch Sometimes banging on the door will also jolt the internal motor contact to make to operate the glass also. The best way to really determine the direction required is to remove the door panel and check power and ground at the window motor when applied.
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Do you have voltage at the main window switch?
oh... if all the windows work, and you have no power to this window motor when operating the switch, that is a bad window switch.
You would need to replace that master window switch to resolve your issue. I thought they all were not working.
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If all the other windows are working, there has to be voltage somewhere to that master switch. But that could explain the passenger window stopped and started working also.
You need a new Master Window switch.