![]() Looked the wire connections over and came to a ground at the frame near the trailer hitch lead. traced all movements I might have made that might've CAUSED the taillight issues. THEN thought back on what I might have caused when I took the bed off to replace a brake line in Sept. Changed all bulbs (were ONLY 25 yrs old) - Ck'd bulb sockets (all ok) Ck'd fuses and pedal switch - both ok. Only left turn worked - No brake lights - no running rear lights - no flashers - no backup lights. ![]() I have been fighting a taillight issue for 2 days. Look at the wires, because if it is not switch and not a bulb-fault, then as TBAS says it is probably wires, pinched or broken, from tail to switch to fusebox.īeen reading about all your various symptoms. IIRC bottom is backup and the top one is brake. Three bulbs: they just pull out but won't want to come easy. Use 1/4 nutdriver to remove 2 screws in rubbery thing. Unhook connector latch and carefully pull out. Flat rubbery thing with connector and 3 lumps. Unscrew, the lens un-hooks on the other side. Open tailgate, there's two (rusted) Phillips screws into the taillight lens. Change the brake lamp bulbs on a vehicle this old it is time to do that. 94 C1500 DASH SWAP GUIDE MANUALThe Owner's Manual may have clues.įuses usually blow for a reason. It is $5-$10 you might take ALL your truck data to the auto parts store, buy a new switch, then look for the same thing around the brake arm or under the hood. I think on most C/K 1500/2500 it is on the brake pedal arm or the arm hits it. It could also be a relay, the box is located in the engine bay and the relay will be marked, but its unlikely to be the problem. If you are unsure of the wire color associated with brake light function, you can access wiring diagrams online, but be warned, chev/gm have been known to change color codes from time to time. Solder and shrink tube the new wire to these pigtails and give it a test. Find the wire and clip it about 4 inches back too. it will most likely be beside your brake fluid assembly, in a cluster, entering the firewall. If it was me i would clip the wire at the tail light harness, about 4 inches back, then move to the engine bay and look for the same wire there. If you do find a faulty wire, just run a new one from the engine bay to the back and splice it in. Most spots would be at anchor points, junctions, etc. ![]() ![]() Running this way leaves them exposed to the elements.Ĭheck along the run for rotted, broken or degraded wire. They run through wire shroud from front to back along the inside of the frame to the left tail light. The most common reason rear lights of any kind will fail is rotted wires. ![]()
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