the tumbler, you can remove it and work the electrical part with a screwdriver. as a test to see if it is the tumbler.

btw, i have changed out several switches. i am not sure if it ever solved the problem or not. it is a pita to do too.

tom w

__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.