My Tail lights will not work. I checked the fuses in the engine compartment, and there is a black piece of rubber that says "don't touch" where the ext fuse should be. I have replaced all bulbs and the wires are ok. I have owned the vehicle for over a year and there has never been an ext fuse in it. Any suggestions?
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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 ?
These are all different circuits. The brake lights are on a 10amp fuse - the headlights are on a 50amp fuse - and the parking and dash lights are on a 20amp fuse. Do you have power going into the headlight switch and the brake light switch ?
check for power at the wires going intop the tail lights, real common that the circuit board is bad, but unlikely both at the same time. The tag, tail lights and brakes are 2 different systems. Do the turn signals work normally? if so the wiring from the turn signal switch to the brake lights is GOOD. the stop light switch had\s a ORANGE wire that should have 12V if not ck STOP LPS fuse, when brake pedal is depressed, the WHITE wire is 12V (at the stop light switch) if that is OK, the turn signal switch COULD be bad. The wiring harness plug is near the back left under the tailgate, see if that is disconnected?
look for a blown fuse in your engine compartment fuse box. if you dont find one there then check the fuse panel in the dash under you column. it could be one of the larger feed fuses in the engine compartment fuse box so dont overlook those.