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77 Electrical Problem - Very frustrating

MR. T.

Active member
Joined
Aug 30, 2005
Messages
43
Location
Manitoba, Canada
Corvette
1977 Light Blue
I have a problem in my 77 with the left rear running/brake light, here is what I have seen.

Brakes alone – Right OK Left Dull
Turn Signals alone - Right OK Left Dull
Running Lights alone – Right Ok Left Dull

Running and Turn Signals – Right OK Left Dull turn no running (goes out)
Running and Brake - Right OK Left no Brake no Running

Flasher slows down when running lights and left turn

Running, Turn & Brake Left turn – No running No Brake Right – OK

No Running lights – Flasher equal for turn & brake.


Any ideas where to start looking, sounds like a ground issue maybe? Thanks for any help
 

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