I had the same problem with a major and tried the same thing by messing with the contactor. In my case, it was the fact that i tried starting it without the hopper, which when put in its place, it triggered a switch up there and allow it to turn on. Tho i havent seen that type of trigger switch on the Super Jollys. The new SJs have a shut off mechanism for when the motor gets too hot but i should be able to restart after a while? If doesnt, then you might need a new contactor? If that ends up being the case, i actually have a couple if you're interested.