A while back my tail lights stopped working, just the tail lights. The turn signals, brake lights, and reverse lights all work, but when you turn on the headlights, the tail lights wouldn't come on. I found that if I changed the fuse it would work, for a while then stop again. Now it has stopped working altogether. Changing the fuse no longer works. Any ideas?
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Re: Tail light problems
Probably because it blows immediately because the short is now a dead short. The hot wire is completely against the ground not just rubbing. Has the car been hit in the back at any time? Look underneath and see if any wires are hanging down.around the tail light area. Your looking for a wire that is rubbing against metal . Could be inside the trunk behind the covers . God Bless Greg
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1) Open trunk
2) Remove small round plastic access panel with a flat tip screw driver by prying open
3) Remove flat tip screw holding tail light assembly
4) Remove tail light assembly by pulling outward, careful not to break plastic guide/nub
5) Disconnect wiring connectors
6) Remove plastic housing access plate on back of tail light assembly by twisting/turning tabs until they click and then lift access plate from tail light assembly
7) When viewing the the bulbs, the turn signal bulb is the bottom left bulb
8) Install in reverse order, ensuring tail light seal seats properly during installation
The turn signals and brake lights use the same circuit and filament in the bulbs. The tail lights are on the other circuit which comes from the headlight switch. Do you have power on the tail light fuse ?
try replacing the turn signal switch, as the brake/tail lights are all routed thorough it. common problem with most 90's GM cars. this may help, but I've never seen only the third light work. sounds more like wiring has been tapped into incorrectly. good luck
Sounds like one of two possibilites, the light itself may be a double filiament meaning there is one bulb which does both tail light and brake. One of the filiaments in the bulb could be burned out, try changing the bulb. If not that, then the realy might be damaged which gives power to the tail light. It's a bit of a bigger problem to diagnose.