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1976 C3 Tail Lights not working.

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Old May 24, 2017 | 10:06 AM
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Default 1976 C3 Tail Lights not working.

Trying to troubleshoot why the tail lights on my 76 C3 don't work. Any ideas where to start?
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Old May 24, 2017 | 10:24 AM
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Originally Posted by pbigpig
...Any ideas where to start?...
Fuse.
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Old May 24, 2017 | 12:04 PM
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Check Bulbs... Make sure your ground wires are not corroded...
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Old May 25, 2017 | 12:26 PM
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What do you mean "not working". Not coming on at all? No Turn signals? Just fixed mine yesterday. Turned out to be a bad ground on one of the bulb sockets.
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Old Jun 2, 2017 | 09:27 PM
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Default Tail lights not working

Originally Posted by loflite
What do you mean "not working". Not coming on at all? No Turn signals? Just fixed mine yesterday. Turned out to be a bad ground on one of the bulb sockets.
Turn signals work, brake lights work, but tail lights don't come on when headlights are on. Checked fuses and they're good.
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Old Apr 25, 2020 | 12:37 PM
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Originally Posted by pbigpig
Turn signals work, brake lights work, but tail lights don't come on when headlights are on. Checked fuses and they're good.
I'm having the same issue. I just replaced my turn/brake signal lights, socket, bulb, and everything. I wired them back together exactly as they were but then my left rear lights were dim then my right was bright as if the brakes were pushed. Then I thought perhaps I crossed the wires and so I crossed them again to see what would happen. Now they work as they should but when the brakes are applied, they're not very bright. It's like the headlights are on. Soooo....when I turn on the headlights, the tail lights don't come on. I'm banging my head against the wall! I thought it was an easy swap old for new but now it's really screwed up. The fronts and running lights all work. Please help!
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