Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Bypass the solenoid by putting both cables on the same terminal. If no change, replace the controller!
It very well can be the controller, but I would jump the solenoid first!
With solenoid bypassed you have the big arc? What is on? You know you should have taken the negative terminal off before playing with cables!
And just from the looks of it, the solenoid should be replaced!
did you get my response?
OK, lets see how that works