Relays; Operation - Polaris RANGER 500 2018 Service Manual

RELAYS

OPERATION

The relays assist with fan, ignition coil, fuel pump, brake
light, EFI, headlight, EPS, and rear differential operation.
• Fan Relay, controlled by the ECM and engine coolant
temperature sensor, operates the fan motor.
Fan Relay
FUSE
BOX WIRE
PIN COLOR OPERATION
9 Red / Dark Relay coil 12v from EFI
Blue Splice
10 Orange / High side 12v from 15A
Black circuit breaker
13 Orange / 12v output to fan motor
Black
14 Orange / ECU controlled ground
Black
• Fuel Pump Relay, controlled by the ECM and key
switch, powers the fuel pump.
Fuel Pump Relay
FUSE
BOX WIRE
PIN COLOR OPERATION
25 Red / Dark Relay coil 12v from EFI
Blue Splice
26 Orange High side 12v from Fuel
Pump fuse
29
Red / Blue Ground, Chassis Rear #1
30 Dark Green ECU controlled ground
/ Yellow
• Chassis Relay, controlled by the key switch, supplies
B+ to the chassis circuits.
Chassis Relay
FUSE
BOX WIRE
PIN COLOR OPERATION
33
Red / Blue Relay coil 12v from EFI
Splice
34 Red High side 12v from Start
Solenoid
37 Red 12v output to Splice, Chassis
38 Gray ECU controlled ground
9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
© Copyright Polaris Industries Inc.
• EFI Relay, controlled by the ECM, supplies power to
EFI components and sensors.
EFI Relay
FUSE
BOX WIRE
PIN COLOR OPERATION
17 Red Relay coil 12v from
Unswitched Fused EFI
Splice
18 Red High side 12v from
Unswitched Fused EFI
Splice
21 Red / Dark 12v output to EFI Splice #1
Blue
22 Dark Green ECU controlled ground
/ Yellow
• Headlight Relay, controlled by the ignition switch,
supplies power to the headlights.
Headlight Relay
FUSE
BOX WIRE
PIN COLOR OPERATION
1 Red / Relay coil 12v from Lights
Yellow splice
2 Red / High side 12v from Lights
Yellow splice
5 Dark Green 12v output to Headlight Low
Beam splice
6 White / Red Ignition switch controlled
ground
• EPS Relay (if equipped), controlled by the ignition
switch, provides power to the EPS unit.
EPS Relay
FUSE
BOX WIRE
PIN COLOR OPERATION
3 Orange Relay coil 12v from R/S B+
Splice #2
4 Red High side 12v from EPS fuse
7 Orange 12v output to EPS unit
8 Brown
Chassis ground #2
ELECTRICAL
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