Question about 1990 Ford Bronco

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Headlights, cab lights, and sterio won't work

I went down a bumpy dirt road after duck hungting and my headlightsshut off all of a sudden. At the same time my radio, dome light,running lights, and all interior lighting went out and will not turnback on. dash instruments still work e.g. windshield wipers, ac,heater, but no ilumination. Also the blinkers and flashers still workand the fuses in the fuse box are still good. I'm lost! anysugestions???

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Get under the hood and start shaking the wire harnesses, while you have someone sit in the truck waiting for things to flicker on and off. Chances are good that you have a corroded connection that supplies quite a few gadgets. Also check the terminals coming off the battery, and any smaller wires attached to them. These frequently corrode faster than the larger wires. By the way, shaking the harnesses...is called, " THE WIGGLE TEST". Good luck. Chip

Posted on Nov 26, 2008

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