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Power windows not working

Tiny
DBRILLHART72
  • MEMBER
  • 2000 BUICK CENTURY
Interior problem 6 cyl Front Wheel Drive Automatic 61000 miles

The power windows in my Buick will not work. When the problem first occurred the windows worked sporadically. Now they do not work at all. I have replaced the main switch on the drivers side and it has not helped. It makes a buzzing sort of noise when you press the drivers side window button but nothing happens. The windows will not work from any of the other door switches either.
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Saturday, June 27th, 2009 AT 5:16 PM

12 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,882 POSTS
Hello,

It sounds like the system has a bad ground. This can be caused by a broken wire in the drivers door between the jam and the door. Here is a wiring diagram so you can do some testing along with a guide.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

and

https://www.2carpros.com/articles/electric-window-repair

Please run this test and get back to us we are interested to see what it is.

Cheers, Ken
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Wednesday, July 26th, 2017 AT 2:34 PM
Tiny
JAYRO244
  • MEMBER
  • 1 POST
  • 2000 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 54,000 MILES
Electrical problem
2000 Buick Century 6 cyl Front Wheel Drive Automatic 54000 miles

ALL POWER WINDOWS STOPPED WORKING

NO SOUNDS WHATSOEVER

HAPPENED AROUND RAINY WEATHER TIME, NYC
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Wednesday, July 26th, 2017 AT 2:34 PM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, I'd start by looking at the power window circuit breaker. Pull the circuit breaker, turn on the key, use a testlite see if there is voltage available at the breaker.
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Wednesday, July 26th, 2017 AT 2:34 PM (Merged)
Tiny
PNKWHITE
  • MEMBER
  • 2 POSTS
  • 2002 BUICK CENTURY
Electrical problem
2002 Buick Century 6 cyl Front Wheel Drive Automatic

I can not get the front passenger window to go up or down with both drivers and passenger side controls. It worked up until about a week ago just from the drivers side control only. The window lock switch was missing so I assumed that it was just stuck in the locked position because the back windows would not operate from their locations either, just the drivers location. I did fiddle around down inside the opening in the lock switch and did cause a spark when doing it while the key was on. I purchased a complete used window and mirror switch control for the driver's door and now the back windows will now work from their locations but the front passenger window will not work from any location. Any suggestions on what may be the problem? Do the windows have separate fuses? Thanks, Paul White
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Wednesday, July 26th, 2017 AT 2:34 PM (Merged)
Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Assuming the used switch is good.

And based on that the passenger side was working with the old switch, I would pull the panel of one of the front doors and see if the regulator and or motor are shot. Probably going to be the same on both sides.
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Wednesday, July 26th, 2017 AT 2:35 PM (Merged)
Tiny
PNKWHITE
  • MEMBER
  • 2 POSTS
The passenger window NEVER worked with the old switch from the passenger door control, only from the drivers control. Could the spark that I created in the old drivers side switch have shorted something out ONLY on the front passenger side window?
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Wednesday, July 26th, 2017 AT 2:35 PM (Merged)
Tiny
KYZE
  • MEMBER
  • 2 POSTS
  • 1999 BUICK CENTURY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 450,000 MILES
I just replaced the Master Window Repair Switch on a 1999 Buick Century. Power Windows still do not work! When I hit the button for the Drivers Window, the NEW switch makes a loud clicking noise? Is the switch defective?
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Wednesday, July 26th, 2017 AT 2:35 PM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Was the master switch new? I'd remove the door panel to get at the window motor. If you have good voltage and ground at the wiring connector, I'd have to suspect the window motor.

Because it is a reversing motor, the wires in the diagram, switch between voltage and ground, depending on up or down.
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Wednesday, July 26th, 2017 AT 2:35 PM (Merged)
Tiny
SPURDIE
  • MEMBER
  • 1 POST
  • 2004 BUICK CENTURY
  • 56,000 MILES
All the other windows work using the main driver side control panel. I have replaced the regulator, switches and the motor. Still nothing. It can not be a fuse all the other windows are working fine. Note I replaced all three parts twice.
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Wednesday, July 26th, 2017 AT 2:35 PM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Do you have a multimeter to do some tseting?Sounds like you could have a broken wire in the door wire boot that runs from the body of the car to the drivers door.
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Wednesday, July 26th, 2017 AT 2:35 PM (Merged)
Tiny
ADRIANNA MOLLOY
  • MEMBER
  • 1 POST
I'm no car person, but I went to the auto repair shop with the same problem and he said it was the BCM. Body Control Module. It controls electronic components throughout the body of the car including power windows and mirrors. None of my motors or buttons are out; it's just the system itself. Estimated 600 dollars with labor and part. $100+ part.
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Monday, July 22nd, 2019 AT 9:53 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,882 POSTS
What year is your car 2000? If so there is no BCM that controls the windows you can see from the posts above in the window wiring diagrams.
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Monday, July 22nd, 2019 AT 10:55 AM

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