1987-2009 Yamaha ATV YFM350X Warrior Raptor Service Manual, Page 218Get this manual
CHECKING OF SWITCHES NOTE:
Use thin probes for checking the continuityOtherwise, the probes may contact other terminals inside the coupler Check the continuity between "R" and "Br" at the respective switch positions of "ON" "OFF" (V, "LOCK"and "P" There must be continuity (the tester indicating "0") at the "ON" switch position, and there must be no continuity (the tester indicating "00") at "OFF", "LOCK", or "P"There is something wrong between "R" and "Br" if there is no continuity at the "ON" position or if there is some continuity either at the "OFF" or "LOCK" or