No juice to the headlights

ausylo

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Oct 31, 2008
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South Bend
Hey guys, I recently had an alternator replaced and while the bad alternator started acting up, my headlights stopped working, hi-beams and regular. Its a 93 Mark. Tested to see if the plugs are getting juice but they are not. Anyone have a solution on how to fix this? Wiring diagram? Diagnosis?

Also, since I put the new alternator in, my computer screen has reset, ABS and Trac Control lights are on and the heater and radio turned on and off still. I had those problems when the bad alternator was in still. Battery light is no longer on now, but other problems still exist. Any ideas or solutions are greatly appreciated.
 
Last edited:
Just a guess here

I would check the power to and from the headlight relays and check the headlight fuses. Then the switch itself.
 

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