I have installed new lights and checked fuses but still no lights. Every once in awhile I will turn on the left signal and if I hit the brakes the right brake light will work. Also the center brake light works. Any ideas?
You give some good clues. because your third brake light works but not the other two, and because you sometimes get brake lights if you have turn signals on at the same time, i would say that some wires got crossed up with your other taillights. check out the power wires back in the taillight assembly and the wires that run back to the taillights. something is mixed up back there, now you just have to find it. if all else fails after you isolate which wires are the brake light wires get some new wire, same gauge and roughly same length, remove a bit of insulation but don't cut the wire in two, and put the new wire in as an overlay. if having the new piece of wire there makes the brake light work you found the break in the wire. you can cut out the bad piece and fasten the new piece in. you can solder it if you have the equipment to do that, or you can buy some squeeze in place connectors at the car parts store. either way, good idea to tape it up when you are done. hope that helps
we have worked on cars where you hit the brake pedal and the horn honks and no one had touched the wires. the wires in the wire loom rub against each other from road vibration etc. and a place in the insulation rubs off on two wires in the same place. it can happen. there are some other possibilities, maybe the wrong bulbs, or bulbs improperly installed, makes a difference in a two element bulb system. that would be user error, wasn't my first guess. that's mostly what the kind of electrical repair is, look at the symptoms and make a guess. have to make physical tests to rule things out.
What if that doesn't work what else could it be
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No wires have ever been touched in this car. Sorry but that isn't the problem. Any other ideas?
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