Question about 1995 Buick LeSabre

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Fuses or switches or motors?

1995 Buick LeSabre Limited. All Power Door locks, both rear windows and trunk release don't work. Front window work fine. I have checked the fuses under the driver dash area and the maxifuses in the engine compartment. They all measure fine. Any suggestions

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The wirring that goes to the door may have breaks in it, if so they will need to be repaired. would start to look at the drivers door.

Posted on Apr 17, 2009

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Posted on Jan 02, 2017

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Where is the body control module located in 2005 Lincoln las.


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The FEM is located behind the driver's kick panel and the FEM is located on the right side down in the trunk.
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How do you remove the right front door panel on a 2004 buick le saber


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Do you know about computer controlled power windows ?
Power Windows Operation
The vehicle is equipped with power windows controlled by the door modules. Each passenger door window can be operated, either from a switch built into the driver door switch assembly (DDSA), or from a switch mounted locally to its associated door. The driver door window can be operated only from the driver door window switch built into the DDSA.
When a window is operated from the DDSA, the DDSA interprets the window switch signal as a specific window switch request and sends the information to the driver door module (DDM) via the power door serial data circuit. The DDM examines the request and checks to see if it has received any class 2 serial data messages from any of the other vehicle modules (i.e. ignition switch position) prohibiting the movement of the window. If the window being operated is the driver door window, and if no prohibitive class 2 messages have been received, the DDM then applies voltage and ground to the driver door window motor to move the window glass as requested. If the window being operated is a passenger door window, and no prohibitive class 2 messages have been received, the DDM sends the request, via the power door serial data circuit, to the appropriate passenger door module. The passenger door module then applies voltage and ground to the passenger door window motor to move the window glass as requested.
When a passenger door window is operated from the power window switch mounted locally to its associated door, the passenger door module first checks to see if the DDM has received any prohibitive class 2 serial data messages. If there are no prohibitive messages, the passenger door module powers the associated passenger door window motor.
Both front door windows have the express down feature. This allows the front door windows to be fully opened by momentarily pulling the appropriate window switch lever to the second detente and then releasing.

Oct 30, 2016 | Buick Cars & Trucks

1 Answer

Loss of power to control switches to power windows/locks/mirror/trunk release


Have the problem system checked for proper ground. It may be at the fuse box if it got wet. Electricity and water mean corrosion when there are two metals present - usually copper and iron. When electrical boxes or connections get 'warm' it means that there is added resistance in the circuit causing the heat. (like a light bulb without the light)

Aug 23, 2017 | 2003 Buick LeSabre

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Buick 2002 LaSabre Custom all windows do not go up and down, door lock/unlock switch drivers side does not work(passenger & rear doors lock/unlock door switches work, trunk release button does n


coulb be the control switch on your panel you can take the door panel off and check for loose connections and try to test for continuity. if you dont know how take it to a shop and have them diagnose the electrical. im quite sure it the switch that burnt out

Oct 24, 2012 | 2002 Buick LeSabre

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2000 buick lesabre all windows not working also door locks trunk release and radio speakers? fuses all check good could it be the drivers door module?


if the drivers door window works you probably have a open in the serial data line.i have found the data line corroded under the drivers seat causing this problem on other vehicles.you need to check for continuity on the data line between the driver door module and either one of the other door modules.the data line is tan with a white stripe.if it does not have continuity it is probably corroded under the drivers seat beneath the carpet.keep posted.

Mar 07, 2011 | 2000 Buick LeSabre

1 Answer

The right rear window will not go up or down how do i fix that .It is a buick 2000 lesabre


first you have to check your fuses, but if the rest work, then you might be looking into a failed motor or window regulator. if fuses are ok then youre going to have to remove the rear door panel and disconnect the window motor and connect a test light to the harness and have someone depress the switch and see if the light turns on, if it does then your motor is the problem, if not then your door switch may need to be replaced.

Jul 16, 2010 | 2000 Buick LeSabre

1 Answer

I have a loss of power to all controls on driver's door panel including windows, locks, mirrors, trunk release


first of all check your fuses...what it sounds like tho is that your main wiring to your door has been damaged....where it goes thru your door....recheck that and get back to me

Nov 14, 2009 | 2001 Buick LeSabre

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