2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 393Get this manual

2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 393

ELECTRICAL RELAYS Operation The relays, located under the front storage box, assist with component operation such as the
for ECU-operation of EFI components RedBlack IGNITION COILFUEL PUMP RELAY COLOR FUNCTION Fused 15A power supply, switched
on OrangeGreen by the key and LH control switches, enables power to relayGrayWhite Relay "ON" commandThe ECU supplies ground
which closes the relay, supplying power to run the fuel pump, injectors, etcFused 20-amp, switched battery power IN supply
for EFI component operationPower output'ON' when ECU sends signal on the GRYW wire, closing the relaySupplies power for ECUcontrolled
operation of EFI components RedWhite FAN RELAY COLOR Red (EFICarb) Yellow Black (EFI) Brown (Carb) FUNCTION 10-amp breaker
protected, unswitched FAN power supplyYBFan 'ON' CommandGround is supplied by the ECU, closing the relay to turn on the fanBNGround
RedDark Green Key ON' 12 Vdc power supply, switched on by the key and LH RedWhite (EFICarb) control switches, enables power