Take the switch off the top of the case (2 screws) and clean up the copper contacts on both the starter housing and the switch itself. You can also touch a battery cable to the starter lug momentarily to see if the motor will spin, without unbolting the whole starter. Rock Auto sells replacement switches. The same switch works for both 6V and 12V starters.

www.rockauto.com/en/moreinfo.php?pk=445442&cc=1326091&pt=4188&jsn=619

Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!