Help with speed control
 

My speed control when i turn it on jumps 10 mph. I went to Clarks Garage and did what was instructed. I took it apart and cleaned the two wiper strips on the bottom and the 2 little contacts put it all back together and the same results. Got a new(used) unit did the same thing. Is there some other contact that I should be claening or is the computer itself shot.
Thanks for the help

George

Uhmmmm are you sure the cable is not binding some where?

I had a similar issue years ago and the cable was not adjusted properly.