That portion of the switch works by dragging a contact point over a spiralled resistace coil. You might be able to clean it some by squirting brake cleaner aerosol (cheaper than electrical cleaner and works just as well) around there and see what happens. Nothing to lose really, just buy a new one if that doesn't work. About $20 a few years ago at John's Mustang in Houston. A Ford replacement part too. "Heche en Mexico" if I remember correctly. It's done fine for 5 yrs. now.
Rev
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'66 Coupe, 306, windage
tray, TRW flat tops, 351W
heads,pocket ported, 268
CC hydraulic cam, R tip
R's, Edelbrock Performer,
600 CFM Holley vac. secs.,
Mallory Unilite, coil, fuel
pump, Tri-Y headers, 2 1/2 "
custom pipes, 3 chamber
Flows, stock C-4, 3.25
Currie built 8" rear,
March under drive pulleys,
13.97 e.t., 100.1 mph
1/4 mi.
TCI 2400 stall converter
B&M Trans-pac shift kit
No new track times until
cool weather
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