2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 285Get this manual
Chassis Electrical System Chassis Relay Circuit
The chassis relay circuit supplies battery voltage to the following systems: Head Lights, Tail Lights Hand and Thumb Warmers Accessory Take-Off Pigtails Alternator Charge Field Coil Activation (Alternator charges battery when REDWHT circuit is energized M-10 ACE System