GMC headlight issue
 

Hey Guys having some trouble with my headlights on my 71 Jimmy. coming home from work last night the passanger low beam headlight went out. It works on the high beams so I'm guessing the bulds low beam went out so I switched them to high on the way home all 4 were working when I left my work but when I got home the high beam light was out (the inside light)and only the low beam bulb was working on high I hope this isnt confusing to anyone. if you can help that would be great.

Thanks

Re: GMC headlight issue
 

Check and make sure all of the grounds are clean and tight. Also check the connectors on the headlights themself and give them a clean and lube with dialetric (electrical) grease.

Re: GMC headlight issue
 

Have you tried new bulbs? Have you checked and cleaned your connections?

Re: GMC headlight issue
 

I know I need one new bulb the low beam bulb And I haven't tried to clean them up will try that. would that make them stop working because they were working fine 2 days ago?

Re: GMC headlight issue
 

Try this:

Turn them on with the brights and wiggle the connectors where they plug into the headlights and see what happens. Next try the same thing with the grounds. If nothing happens, then with your fist, give the headlight a wack and see if it comes on or goes out. If yes, then the headlight filaments are broken and just barely making a connection.

Re: GMC headlight issue
 

Thanks I will try this out and see if that works I have wiggled the wires a little bit but only on th low beams but I will try it agian.

Thanks

Re: GMC headlight issue
 

You can also check the connections on the floor dimmer switch.

Re: GMC headlight issue
 

Thanks for all the help guys I found out the problem my low beam bulb was bad and also my high beam bulb was bad. Thanks.