I've tried 2 different headlight switches for this model, if i jiggle the switch around i get a noise kinda described like a relay or something is grinding under the dash, but thats brand new too, if i unlock the tilt on the column, and i bang it up and down a few times the lights come on as long as the switch is in the on pos. any ideas of what it might be? im using my fog lights as a substitute here lol
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Re: 96 gmc yukon headlights will not turn on
Before the lights went out did you have trouble with your high and low beams not always doing what you wanted?If so you'll have to replace your dimmer switch in the column.The wires, over time will fray and break.
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Bad switch or relay. Do this when the light are stuck on disconnect switch and see if headlight goes out also do this check for continuity at the switch both on and off if continuity with both replace switch
Chances are that this is an issue with the multifunction Switch located in the steering column. This is the switch that the turn signal switch is in. seems most lighting for vehicle routes through this switch and can lead to frustrating lighting issues. You can get these on EBAY and Amazon for around 85 dollars.
It sounds like it's your Headlight switch has gone bad, I'm thinking that the high beams are the daytime running light which is the same as your High beams.
If you go to Auto Zone or Parts Source, they have the replacement switch with step by step instructions. Try not to run your Headlights too long from your running light's. The headlight's draw more amps then the running lights and can melt the wire which can result in a short and worst a fire.
If you remove the headlight switch from the dash, check the orange wire for power, if there is 12 volts. Good chance's are that the switch is bad, common on the GM's.
Good luck and hope this helps. I believe they go around $70.00 or do what most guys do. Salvage Yard range from $10.00 to $40.00 and there also have warranty.
Sounds like you either have a bad headlight switch or a bad relay under the hood. Also you might want to try turning the lights on for a minute without the motor running,if they work with motor off then its probably the headlight switch.