Question about 1999 Pontiac Grand Prix
Unfortunately you probably do need to replace the window motor , however as a preventative measure in the future use a special silicon lube you can aquire from Napa to lube up the window runners allowing less resistance for the electic motor to raise the wiindow in the future avoiding this problem.
Posted on Jul 14, 2009
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Posted on Jan 02, 2017
Check the wires between the drivers door and body.Slide the rubber boot back far enough to look at the wires.They sometimes brake here from the door opening and closing all the time.If the wires are good you could have a bad drivers switch.Good luck.
Posted on Nov 19, 2009
what I would recommend is that you will have to test the window actuator first. You will need to remove the door panel to get at the actuator. From there, just jump the actuator to see if the window goes up or down. Don't worry about which terminal is positive or negative, they are switched back and forth by the control switches.
Posted on Jun 27, 2010
This sucks when it happens, I have 2 grand prix and have had this happened a few times, First, if you need to get it up RIGHT NOW! This instant even if its late at night? Well its do able. You can remove the paneling, dis engage the motor and prop it up. You might have to cut a piece of wood to hold it up temporarily so that someone wont break in and steal stuff. If you just need a fix it solution, there are a few possibilities, the first thing i would recommend would be to check the window switch, they tend to go bad often. You can do this by 2 ways, One? buy a new one, or 2 get a second grand prix switch from a friend or a neighbor or from someone else and plug it in. If this works, just replace the switch, if it doesnt, then remove the door paneling, and place electricity on one of the connectors on the motor (dont worry which side as they both receive electricity when going up or down) if this works, its a faulty switch, if it doesnt, it might be (95% sure) the motor itself.
Posted on Jul 07, 2010
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