2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 354Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 354

GRIP WARMER SYSTEM TROUBLESHOOTING GRIP WARMER AND THUMB WARMER DO NOT OPERATE Check the main fuse and ignition fuseRefer
stop switch and main switchRefer to "IGNITION SYSTEM"OK NO CONTINUITY Replace the right handlebar switch andor main switch
Check the grip warmer and thumb warmerOK NO CONTINUITY Replace the grip warmer andor thumb warmer Check the gripthumb warmer
adjustment switchCORRECT NO CONTINUITY Replace the left handlebar switch Check the grip warmer system wiringRefer to "CIRCUIT