Relays; Operation; Power Relay - Polaris 2008 sportsman 800efi Service Manual

RELAYS

Operation

The relays, located next to the ECU, assist with component
operation such as the fan, fuel pump, etc.
The fan relay, controlled by the ECU, operates the fan.
The power relay, controlled by the ECU, turns on power for
components such as the fuel pump, injectors, etc.
The differential relay, controlled by the AWD switch and ECU,
operates the differential solenoid.
FAN RELAY
C
OLOR
Fused 20-amp, unswitched FAN power
Red
supply.
Fan 'ON' Command. Ground is supplied by
Yellow /Black
the ECU, closing the relay to turn on the fan.
KEY-ON Battery power supply, switched
Red / White on by the key and LH control switches,
enables power to relay.
KEY-ON Battery power supply, switched
Orange / Black on by the key and LH control switches,
enables power to relay.
F
UNCTION

POWER RELAY

C
OLOR
KEY-ON Battery power supply, switched
on by the key and LH control switches,
Red/White
enables power to relay. Tied to Fan Relay
terminal.
Relay "ON" command. The ECU supplies a
Gray/White ground which closes the relay, supplying
power to run the fuel pump, injectors, etc.
Fused 15-amp, unswitched battery power
Orange
IN supply for EFI component operation.
EFI power output. 'ON' when ECU sends a
signal on the GRY/W wire, closing the
Red/Black
relay. Supplies 15-amp power for ECU-
controlled operation of EFI components.
NOTE: See "Differential
page 10.34.
ELECTRICAL
F
UNCTION
Relay Testing" on
10.25
10