2008 Polaris Ranger RZR Service Manual, Page 292Get this manual
ELECTRICAL RELAYS
Operation
Located in the fuse box under the dash, the relays assist with component operation like the fan, fuel pump, and EFI systemThe fan relay, controlled by the ECU and Temp Sensor, operates the fanThe EFI relay, controlled by the ECU, turns on power for components such as the fuel pump, injectors, and ignition coilsCOLOR RedWhite OrangeBlack YellowBlack Red
FAN RELAY
FUNCTION Key-On battery power supply, switched on by key switch, enables power to relayFused 20-Amp power, switched by relay, provides power to Fan MotorECU input to connect relay Fused 20-Amp power to Fan Motor outputFused 20-Amp, constant battery power IN supply for EFI component operation