There are a couple of different reasons as to why there would be power window failure in a 1998 Pontiac Grand Prix. One reason could be a faulty fuse or it could also be a short in the window motor.
The intermittent power window module for your 1996 Chevy Lumina can be found inside of the driver door. You will need to remove the door panel in order to access the power window module.
== Rear Power Windows Only Work On and Off== Sounds like a precursor to either a switch failure or window controller failure. I had a Nissan that started out like that ....intermittent until finally all four window controllers became inoperative one at a time.
Change your wiper inserts.
At the Pontiac dealership or eBay just type in Pontiac sash
How do yo fix a stuck driver side electric window on a 1998 pontiac firebird.
If it looks the same it will probably work.
The most common problem is a failure in the gears in the window motor. eBay has many vendors for the parts or any auto parts store can get them.
with a window crank removal tool.
change the window regulator
on the rear window
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There are many electrical and mechanical conditions that cause the door locks to become inoperable on 1999 Pontiac/Chevrolet F-Bodies. A common failure is that the door locks, window motors and radio will all become inoperable simultaneously for a few moments. If this is the condition it usually signifies failure of the body control module (BCM), which is located behind the glove compartment door.