Question about 1996 GMC Sonoma
The combination switch on the steering column operates a relay located under the hood to operate the Hi beams. The body control module controls it's operation too.
Posted on Dec 13, 2014
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Posted on Jan 02, 2017
in this case make sure you have voltage going to the low beam lights. 12 volts. you need a volt meter. if you do not have volatge you have to check and make sure power is going through the fuse. a bad fuse will be broke, but you can have a good fuse with no power going through it. if you have power going through the fuse you have a wiring open somewhere between fuse and whatever is between the headlight connecter.
plz check and get back i will keep checking on here on and off.
Posted on Feb 09, 2009
no fuel shut off switch on pickups that i know of possibly bad fuel pump find your red bypass wire at relay to test pump
Posted on Mar 29, 2009
I got my daughter a 2003 Pontiac Sunfire. They are a lot of electrical work.
The problem is the wiring harness which splits and travels under the battery and the windshield washer reservoir. The wires oxidize and fall apart.
The low beams will work but if you turn on the high beams the lights will go completely out, right?
If this is the case I can pretty much guarantee that you will have to remove the battery, the drivers side front inner fender, the air filter housing, the air throat, and the windshield washer reservoir. You will then be able to open the wiring harness feeding the headlights. The wire that feeds your high beams is a pink wire. Test the wires from the harness plug (located just under the battery) to a point as close to the headlight as you can, Use a simple continuity tester. Also feel and bend the wires. If the insulation cracks and you see a green or lite blue powder then patch a new wire in.
All in all I found 4-wires which I replaced. Everything works now.
Posted on Jun 15, 2009
had the same problem on my 92....check under the hood on the drivers side,towards the front,there is a "junction box" with all of the lighting wires connecting from the switches to the lights.My wires were all corroded inside,so I cleaned the ends and bought a new box from the local electronic supply store.The problem has not come back.
Posted on Jul 15, 2009
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