Question about 1990 Buick Century

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Left drivers side window will not go up and down. switch seems ok, motors fine. need wiring diagram to trace wires

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  • gglroberts Dec 07, 2008

    i have the same problem but on the right side.

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Check the rubber boot coming from the door going to the fuse box....wiggle around while trying window? Possible broken wire inside boot

Posted on Dec 30, 2008

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I am having problems with the passenger side front window, seems the reverse polarity issue


Depends on your car.. power comes from the master switch. Ground is threw the BCM. I f you have a power problem, it is in the boot at the door( wire broken) or the master switch. The reverse polarity is from switches. Master or the passenger side.

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I have an 2003 Acura TL-S. The drivers window will not go up or down. try the new switch and checked the motor both are fine. fuses all check OK. But can't fine the relay to check


Until you get yourself a wiring diagram & change the
way you go about testing electrical circuits-your done

Why a new switch--no testing of the old one?

Checked the motor how-removed the door panel
& put battery voltage directly to --it in both directions?

All the other windows work?

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Test the MASTER switch at the drivers side. It seems to be a "wiring problem with the Master switch. The master switch is the switch that controls ALL the cars windows.

The passenger window switch gets both power and ground from the master switch. You have replaced the passenger side switch and it still had the same result and if the wiring is good from the master switch to the passenger side switch, then the only thing left would be the power window master switch. Check all wiring of the Master switch. That's the only thing that's left to do.

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03 Chevy Venture....Clarification Passenger Window stuck down.


It will be in the switch lift up the controls on both the drivers side and passenger side the wires going into the connection wiggle then and the button at the same time if you get any movement then you have a broken wire if not use a test light hook one wire to some metal and the other to the wires if their is any power the light will come on, if no light then you probably have a broken wire. The passenger side power comes from the drivers side control. When you open the doors you will see a large black set of wiring harness in the door going into the side under the dash that is the wiring harness for all the power windows and door locks, open it and test those wires for power.

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