Fortunately I do not have any add-on turn signals. It has the stock brake light and parking light system. The only modification is a right hand brake light spliced into the original system.
This of course was done decades ago so I don't know anything about it but my guess is that the problem is up there with the switch or that fuse. I forgot this truck even had a fuses. I guess it is like three of them or something.
1950 Chevrolet 3100 (Ol' Roy)
1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
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