I had that problem on my 1954 GMC factory switch. Since you asked I decided to write a tech tip on turn signals. When I get the part done about finding which wire is which I'll email it to you.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.