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The car:'69 Super Bee. New wiring front to back. New light bulbs. The problem: passenger side brake/flasher/turn signal lights don't work. Tail lights do. The drivers side works fine.
I took a Dremel tool and a sanding wheel and hit the inside of the taillight housings, thinking bad ground. No change. The symptoms say to me bad ground. I can see a turn signal switch being bad, but that doesn't explain why the brake lights and flashers don't work... The new harness has spade terminals on it, I'm thinking about building another ground harness to see if that helps. Just picking your brain to see if anyone else can come up with any ideas...
Thanks..


Do you have voltage at the socket? If so run a temp ground wire to the socket from the other side. No voltage? Then I would suspect the turn signal switch. The feed wire for either of the rear brake/TS wires comes from the switch. One side is functioning. That verifies that the voltage from the stop lamp switch to the T/S switch is present.
Doug