2011 Arctic Cat 450XC Service Manual, Page 78Get this manual
3The meter must show less than ohmNOTE: If the meter shows more than ohm of resistance, troubleshoot or replace the switchcomponent, the connector, or the switch wiring harnessNOTE: To determine if the fan motor is good, connect the blue wire from the fan connector to the positive side of 12 volt DC power supply; then connect the black wire from the fan connector to the negative sideThe fan should operate RELAYS The relays are identical plug-in type located on the PDMRelay function can be checked by switching relay positionsThe relays are interchangeableNOTE: The PDM and wiring harness are not serviceable components and must be replaced as an assembly
! WARNING
Care should be taken to keep clear of the fan blades
Ignition Coil
The ignition coil is on the frame above the radiatorTo access the coil, the radiatorelectrical access panel must be removed
Power Distribution Module (PDM)
The fuses are located in the power distribution module in front of the steering post under the radiatorelectrical access panel