My sister's vehicle.. she got the remote start as a gift then it quit working after a month or so, now after a while her headlights quit working. I have checked the fuse.. it is fine, but I can't even find the RELAY for the headlights..? Any help is greatly appreciated!
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Replace the turn signal switch. All the exterior lights run threw it except the high brake light. There is a small plastic clip/switch in it that controls high and low setting. Because of heat it starts to melt and quits working.
low beams are on with the high beams does NOT mean the bulbs are
good. The low beams have two separate filaments, one that lights on low
beam and one that lights on high beam. That's why the low beams have
three terminals but the high beams have only two.It's entirely possible that both low beam filaments have burned out. If
the bulbs really are good, then the dimmer switch is the most likely
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.
I had a similar problem with my 99 Suburban. After not being able to solve the problem for about six months, my headlamps stopped working on the low beams. This led my mechanic to change the multi-function switch on the steering column (turn signal/cruise control switch/high beams) When he did this he discovered that the wire terminals at the switch had gotten hot enough to melt a little, this allowed the ground terminal to slip out of the connector. Once replaced, the cruise control miraculously started working again. I have had no problems with it for the last four years. The local GM dealer told me later that they had quite a few trucks with the same problem and it typically started with customers noticing that their cruise control stopped working. Give this a try!