1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 329Get this manual
SIGNAL SYSTEM SIGNAL SYSTEM CHECK
EB806024
IELEC I0 I
1.lf the neutral indicator light fails to come on: 1.Bulb and bulb socket Check the bulb and bulb socket for continuityCONTINUITY 2.Neutral switch Refer to "SWITCH INSPECTION"CONTINUITY 3.Voltage Connect the pocket tester (DC 20 V) to the bulb socket couplerTester (+) lead Tester (-) lead Brown terminal CD Sky blue terminal NO CONTINUITY