Question about Chevrolet S 10
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Posted on Jan 02, 2017
are you sure the bulbs are o.k.? if they dont work on both high and low you have ground wiring problem. ground the black wire at the plug with lights on.
Posted on Jan 29, 2009
I had a similar problem with my 1994 S-10 LS extended cab. Both tail brake lights worked fine. I removed the 3rd brake light cover and tested for voltage at the steel center of the two rivets and found the positive (driver side) negative (passenger side) were good. I checked the two metal strips that send power to bulbs and found the positive side was open. Seems the flared side of the rivet was not making contact with the metal strip. I bucked the rivet with a punch and hammer and it took care of the problem.
Posted on Jun 23, 2009
Check the front and rear (although probably the rear) turn signal bulb socket for corrosion and/or water intrusion. If you find corrosion attempt to clean (but you will probably have to replace the socket and bulb). For water intrusion you will probably have to replace the break lamp assembly.
Posted on Aug 02, 2009
The ground is actually connected to the brass part of the bulb. The part of the socket that touches the brass part. If you use a test light that is properly grounded and it lights when you touch it to the bump inside the bottom of the socket that the bottom (lead) part of the bulb touches, and when someone presses on the brake the test light goes on, then the socket ground is bad. I've seen tons of them completely rot off. Many times no one notices when one lamp is out 'till the other one goes out. So it may not be a wiring problem. 99% of all failures I've ever seen were at the wiring end connections, not in the long run inside the vehicle where they are well protected. Make sure there is voltage going into the switch and out of the switch when the brake is depressed. Otherwise anything you do in the back won't work.
Posted on Apr 29, 2010
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