Ok, I think I have it figured out. It's a 3 way position micro-switch. It's used in line with the throttle pedal and FWD/REV/NEU switch. Apparently it's used on electric, gas throttle start, and key start models. I'm leaning toward this being my issue, and it's cheap enough that I'm going to order one and see if it fixes my issue, then I'll post back and let you know if it worked.
http://www.ebay.com/itm/Limit-Switch...13ab34&vxp=mtr