Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!
# 11 is the temperature switch in the link above bottom of radiator. If you jump the switch does the fan come on? Do you have battery voltage to the switch, so when it closes, the fan is powered?
Unplug it and use a jumper wire on the harness side.
I see question is still open, did you find a bad sensor?