2006-2008 Yamaha RS, Vector, Rage Factory Service Manual, Page 342Get this manual
GRIP WARMER SYSTEM GRIP WARMER SYSTEM CIRCUIT DIAGRAM
21 A.Cmagneto Rectifierregulator Main switch Load control relay Main fuse Battery Grip warmer Thumb warmer Ignitor unit Grip warmer adjustment switch Thumb warmer adjustment switch Frame ground Passenger grip warmer relay1 Passenger grip warmer switch1 Passenger grip warmer1 Multi-function meter Signal fuse Ignition fuse RST90RST90TF