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Headlights quit working 2000 JGC laredo

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headlight
1K views 4 replies 3 participants last post by  Jeepyard 
#1 ·
Drove my jeep down to my parents today and drove it home after dark and the headlights worked fine. Got home and loaded it up with some trash bags to haul off and no lights worked at all now. No dashlights,headlights,taillights nothing. The brake and reverse lights do work tho... Anybody has this happen to them with their WJ?? Thanks Chad
 
#2 ·
I would first check fuse #3 in the PDC under the hood, that is a 50 A main fuse for most of the lighting. If ok, i would suspect the switch stalk or wiring.
 
#3 ·
Was hoping you would chime in, weird thing is went out there today and turned them on and they actually work today. May be bad multi-function switch like you say. Had something similar happen last year with the wipers tho, one day they just didn't work and the next day they worked and have worked every since then. I have found that the power for both multi-function switches goes through the BCM and I am wondering if I have a bad connection somewhere on the BCM or maybe it is going bad. The jeep has 141,000 miles on it and was a one owner when I bought it but the 4.7 was bad until I rebuilt it and got it back up and running. Has been a good jeep since I got it back running besides these minor issues. Not to hi-jack my own thread but do you have any experience with an aftermarket tuner for the 4.7? I would like to see if I could get a little more umph out of this one if it is something that could easily be done and not hurt anything..... Thanks Chad
 
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