I totally agree with you, Steve, as to the design of the power disconnect! I, too, had same problem with runaway E15. I had it in the driveway and just went into garage to get a part and came out and the thing was galloping away. Fortunately, it stopped at a solid barrier, went right between 2 small pine trees! I had to replace the fuse due to impact. It's amazing that the tractor had eyes to see the pine trees and go in between them!! They are smart!