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power windows, locks, interior lights, and headlights all stopped working today
03-06-2010, 02:27 AM
Post: #1
power windows, locks, interior lights, and headlights all stopped working today
Year: 2003
Model: Dakota
Engine Size: 4.7
Auto/Manual: Auto
Mileage: 47,000

Power windows only work from driver's side. Power locks not working at all. Interior lights not working. Headlights not working. four ways do work. radio works. any suggestions/?
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03-06-2010, 11:40 AM
Post: #2
RE: power windows, locks, interior lights, and headlights all stopped working today
You either have a series of problems (blown fuses?) or everything is related to a common factor of a bad harness plug connection. The way to find out is to start tracking each problem one at a time.

BTW, has the car had any recent repairs? Thinking a bad alternator could have put a surge through the system. The other thing that always comes to mind when several issues crop up at once is previous collision damage. IOW, a harness has chaffed through or an old repair to the wiring didn't hold up well.
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03-06-2010, 11:44 AM
Post: #3
RE: power windows, locks, interior lights, and headlights all stopped working today
Start by checking the fuses and relays.
Your vehicle should have a “Body Control Module.” A shop with a scanner should be able to bring up some information that might save a lot of time hunting.
Hope that helps. Please let us know what you find.
Thanks, Garner

Thanks for using the forum,
Garner

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03-06-2010, 11:56 AM
Post: #4
RE: power windows, locks, interior lights, and headlights all stopped working today
Thanks for pointing out that BCM, which would fall under "common cause" when there are several things wrong.

The old school part of me keeps forgetting about those newer gadgets.

BTW, typical shop scanners may not read a code on a BCM because it's vehicle specific. Same goes for trany codes on most newer vehicles. If a BCM is suspected the new unit must also be programed to the specific vehicle. IOW, you can't use one from a junk yard and will probably wind up at the dealer. There are no choices here. The programed info includes VIN, mileage, engine / trany combination, final drive ratio, and all accessories for the particular application.
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