CRANK SIGNAL

ALTERNATOR
TO CLUSTER
INSTRUMENT CLUSTER
STARTER
KEY ON
FRONT WIPER

FRT WRK LIGHT ALTERNATOR, WIF SENSOR

ECU KEY ON
FLASHER
HOUSINGS ACTUATORS
GROUND POWER RELAYS

COLOR ABBREVIATIONS SPL-XX

INDICATES CIRCUIT SPLICE ALTERNATOR
IGNITION SWITCH B+
ABBREVIATION-------COLOR ABBREVIATION------COLOR
V P T R----------------------------RED OR-------------- ----------ORANGE INDICATES CIRCUIT CONNECTION BRAKE LIGHTS

T----------------------------TAN K--------------------------PINK DRV LIGHTS

LEVER HAND FOOT TEMPERATURE
VACUUM SWITCH PRESSURE SWITCH TEMPERATURE SWITCH MOTOR LAMP W---------------------------WHITE P--------------------------VIOLET (PURPLE) INDICATES CIRCUIT CROSSING BEACON

Y----------------------------YELLOW DU------------------------DARK BLUE NOT CONNECTED

CONTACT CONFIGURATIONS BK -------------------------BLACK LU------------------------LIGHT BLUE
GROUND

HORN
S ---------------------------GRAY DG------------------------DARK GREEN
ECM DIAG PORT
BK/W----------------------BLACK/WHITE LG------------------------LIGHT GREEN INDICATES INTERNALLY STARTER SOLENOID B+
LIQUID LEVER FLOAT PRESSURE COIL DIODE GROUNDED UNITS IGN SW SUPPLY
NEUTRAL RELAY SIGNAL
INSTR CLUSTER FROM FNR SWITCH
CONTACTS CRANK REQUEST ECU
STARTER SOLENOID
MOMENTARY ECU WIF CRANK REQUEST ECU
SENSOR DOME LAMP
S.P.S.T. S.P.D.T. D.P.S.T. D.P.D.T.
MAINTAINED CRANK ENABLE ECU
AIR SEAT
MISCELLANEOUS SYMBOLS VARIABLE RESISTOR RESISTOR
CIRCUIT 1 CIRCUIT 1 CRANK ENABLE ECU
PWR POINTS
CIRCUIT 2 WIRE BUNDLE CIRCUIT 2
POSITIVE BATT
CIRCUIT 3 CIRCUIT 3 TRAX CABLE
CIRCUIT 4 CIRCUIT 4
CIRCUIT DIAGRAM LEGENDS
ALTERNATOR
RADIO
FUSE RELAY GROUND BATTERY CAB POWER
REAR LIGHTS CABLE
B+ FROM
STARTER
SIDE LIGHTS

INSTALLER TAP
WIRE BREAKOUT
ALT TACH

WB-255 SPL WB-254 GROUND

Sheet ? Y 0.8 255 Y 0.8 254 Sheet ?
HVAC BLOWER
COLOR
WIRE ID SPLICE RETURN TO DIG
CUSTOMER
TRANS SPEED SENSOR
WIRE SIZE IGNITION FROM QC,EH CLAM,
KEY ON
KEY SWITCH BOOM LOCK, RADIO TRAX
COMFORT STEER
TRAX
WB - WIRE BREAKOUT
PILOT CONTROL
FB - FUSE BREAKOUT TRAX
GB - GROUND BREAKOUT HEAVY LIFT
TRAX DC SUPPLY
4WD/ RC
DIFF LOCK, KD, DC, CO BUTTON
ACC FROM REAR WIPER
WASHER TRAX BRAKE PRESSURE SWITCH
KEY SWITCH

13 ACC TO GROUND
F&R
SAHR BRAKE

LEGEND POWER DISTRIBUTION/ CHARGING SYSTEM 1 STARTING SYSTEM 2

DIAG PORT QC LDR SOLENOID CLAMP RETURN TO DIG
KEY ON
POWER POINT 1 ECU GROUND
QC LS SOLENOID CLAMP

POWER POINT 2
QC BHOE COLENOID CLAMP
TRAX PWR GND, SEAT POS
RETURN TO DIG
SWITCH, AIR SEAT
GROUND
INSTRUMENT CLUSTER A/C RELAY COIL ECU B+

RADIO GROUND

REAR LIGHTS
SWITCH LAMP QC, EH CLAM, BOOM
LOCK RADIO
RC SW LAMP
PARK BRAKE SOLENOID
4WD SW LAMP
RADIO KEY ON
FUEL SENDER
AUDIBLE ALARM
ECU
GB-046
EH CLAM
BACK UP ALARM
POWER RELAY 2
COIL COMFORT STEER SOLENOID
POWER RELAY 1
COIL AIR FILTER RESTRICTION
NEUTRAL REALY
COIL EH CLAM GROUND
Q COUPLER
INTERLOCK LS SOLENOID CRANK
RELAY COIL Q COUPLER LDR ENABLE ECU
SAHR BRAKE TRANS SOLENOID
CRANK
CIRCUIT RELAY COIL Q COUPLER REQUEST ECU
REAR LIGHTS BHOE SOLENOID
CRANK
RELAY COIL TORQUE CONTROL REQUEST ECU
HEAVY LIFT SOLENOID
CRANK
RELAY COIL
ENABLE ECU
SAHR BRAKE
PILOT CONTROL
RELAY COIL
CS POWER
RELAY COIL
RTD SWITCH
POWER RELAY 3
COIL
HORN
CS CUTOUT
RELAY COIL ECU KEY ON POWER
RIDE CONTROL
FLASHER RELAY ACCUMULATOR SOLENOID GROUND
RIDE CONTROL
POWER RELAY 4 TANK SOLENOID
COIL
FRONT WORK LIGHT
SWITCH LAMP HEAVY LIFT SOLENOID
ROTATING BEACON
SWITCH LAMP GROUND
HAZARD SWITCH
LAMP
TURN INDC LAMPS AUTO/MAN SWITCH
LAMP
FRONT WASHER PUMP COMFORT STEER
SWITCH LAMP GROUND
REAR WASHER PUMP CAN TO TRAX
REAR LIGHTS CAB
FRONT LIGHTS CAB
CAN TO TRAX
REAR LIGHTS CANOPY
FRONT LIGHTS CANOPY
CAN TO INSTRUMENT CLUSTER
QC LS SOLENOID CLAMP GROUND

CAN TO INSTRUMENT CLUSTER

QC LDR SOLENOID CLAMP GROUND

DIAG PORT GROUND QC BHOE SOLENOID CLAMP GROUND

GROUNDING 3 ENGINE CONTROL 4 POWERSHIFT TRANSMISSION INPUTS 5 HYDRAULICS 6

FRONT WORK LIGHTS FRONT WASHERS AND WIPERS
KEY ON KEY ON

FRONT WASHER
PUMP GROUND

FRONT LIGHTS
SIGNAL LIGHTS CAB GROUND
KEY ON

DOME LIGHT B+

FRONT WIPER DOME LIGHT GROUND

MOTOR GROUND
FRONT WORKLIGHT SWITCH
LAMP GROUND REAR WASHERS AND WIPERS
RIGHT REAR TURN SIGNAL KEY ON
FRONT WIPER
FRONT WORK LIGHT MOTOR GROUND
BACKLIGHT

REAR TAIL LIGHTS

LEFT REAR TURN SIGNAL

REAR WASHER
FLASHER RELAY GROUND PUMP GROUND

TURN SIGNAL
INDICATOR GROUND

HAZARD LIGHTS
SWITCH GROUND

FRONT DRIVING LIGHTS

KEY ON

REAR WIPER
MOTOR GROUND

PILOT CONTROLS 7 FRONT EXTERIOR LIGHTS 8 INTERIOR LIGHTING 9 WINDSHIELD WIPERS 10

INSTRUMENT CLUSTER B+

GROUND SAHR BRAKE

580SN, 580SN-WT AND 590SN

SOLENOID
GROUND

ELECTRICAL SCHEMATIC
POWER POINT B+ HPCR ENGINE
SPS/PS TRANSMISSION
GROUND

SAHR PARK BRAKE

POWER POINT 1 GROUND SIGNAL TO CLUSTER

SAHR PARK BRAKE

KEY ON
RAC 84470420
DRIVING LIGHTS BACKLIGHT

FRONT WORK LIGHTS BACKLIGHT

REAR WORK LIGHTS BACKLIGHT

LEGEND
BRAKE LIGHTS TO CLUSTER GROUND

INSTRUMENT CLUSTER KEY ON

INDICATES CONSTANT POWER

POWER POINT 2 GROUND

HEAVY LIGHT OUTPUT

NEUTRAL SIGNAL TO CLUSTER

INDICATES POWER WHEN KEY
A/C FAULT SIGNAL

CRANK SIGNAL SAHR PARK BRAKE

SWITCH IS ON
INDICATES POWER WHEN KEY
DE-CLUTCH RELAY KEY ON
SAHR PARK BRAKE SIGNAL

CAN BUS LOW AUDIBLE ALARM

CAN BUS HIGH

GROUND

SWITCH IS IN START POSITION

HEAVY LIFT INPUT

INDICATES SWITCHED POWER

FROM CONTROL RELAYS
ALTERNATOR CHARGE SIGNAL FRONT DC BUTTON

SAHR BRAKE DECLUTCH

RELAY GROUND

DECLUTCH TO TRAX

ONE-TOUCH DECEL INSTRUMENT CLUSTER GROUND

SAHR BRAKE SOLENOID
GROUND

INSTRUMENT CLUSTER 11 POWER POINTS 12 SAHR PARK BRAKE 13

RAC84470420S1S1
 RADIO B+

A/C RELAY COIL

HOUSINGS ACTUATORS GROUND

V P T
LEVER HAND FOOT TEMPERATURE
VACUUM SWITCH PRESSURE SWITCH TEMPERATURE SWITCH MOTOR LAMP
RADIO KEY ON
CONTACT CONFIGURATIONS
A/C FAULT SIGNAL
TO CLUSTER

RADIO GROUND
LIQUID LEVER FLOAT PRESSURE COIL DIODE

CONTACTS

MOMENTARY
S.P.S.T. S.P.D.T. D.P.S.T. D.P.D.T.
MAINTAINED
MISCELLANEOUS SYMBOLS VARIABLE RESISTOR RESISTOR

FUSE RELAY GROUND BATTERY

HVAC BLOWER
KEY ON BLOWER MOTOR GROUND

FUSE LOCATIONS HVAC 14 RADIO 15

COMFORT STEER
REAR LIGHTS KEY ON SW LAMP GROUND

AIR SEAT MOTOR B+

REAR LIGHTS
RELAY GROUND
HORN B+
REAR LIGHTS SWITCH
LAMP GROUND
DRIVING LIGHTS
BACKLIGHT
REAR TAIL LIGHTS

CS CUTOUT RELAY
COIL GROUND
3/4 GEAR
COMMANG SIGNAL
RIGHT REAR TURN SIGNAL

SIDE LIGHTS
AIR SEAT MOTOR GROUND
KEY ON

3/4 GEAR COMMAND SIGNAL

REAR LIGHTS
CAB GROUND
COMFORT STEER KEY ON

LEFT REAR TURN SIGNAL DECLUTCH TO TRAX

REAR WIPER MOTOR KICK DOWN TO TRAX

GROUND
BLOWER MOTOR CS POWER RELAY
GROUND DIFF LOCK TO TRAX COIL GROUND
DOME LIGHT
GROUND
COMFORT STEER
KEY ON POWER SOLENOID
GROUND

ROTATING BEACON
KEY ON

RIDE CONTROL SWITCH COMFORT STEER

KEY ON SOLENOID GROUND

RIDE CONTROL ACCUMULATOR

HORN SOLENOID GROUND
BRAKE LIGHTS REAR WORK LIGHTS BACKLIGHT GROUND
KEY ON
BRAKE LIGHTS TO CLUSTER

ROTATING BEACON
SWITCH LAMP GROUND
RIDE CONTROL TANK
SOLENOID GROUND

REAR EXTERIOR LIGHTS 16 OPTIONS 17 HORN 18 COMFORT STEER/ RIDE CONTROL 19

POWER LIFT KEY ON

HYDRAULIC POWER
LIFT SWITCH
POWER LIFT REQUEST
TO CLUSTER

POWER LIFT ACTIVATED WHEN SWITCH IS CLOSED

POWER LIFT
RELAY

POWER LIFT ENABLE

FROM CLUSTER

POWER LIFT RELAY COIL

POWER LIFT
SOLENOID
POWER LIFT
SOLENOID GROUND

TORQUE CONTROL
SOLENOID GROUND

CANOPY EXTERIOR LIGHTS 20 POWERSHIFT TRANSMISSION JUMPER HARNESS 21 TRAX SPS/ PS CONTROLLER 22 HYDRAULIC POWER LIFT 23

580SN, 580SN-WT AND 590SN

ELECTRICAL SCHEMATIC
HPCR ENGINE
SPS/PS TRANSMISSION
RAC 84470420

LEGEND

INDICATES CONSTANT POWER

INDICATES POWER WHEN KEY
SWITCH IS ON
INDICATES POWER WHEN KEY
SWITCH IS IN START POSITION
INDICATES SWITCHED POWER
FROM CONTROL RELAYS

RAC84470420S1S2
COMBO HYDRAULICS 24 PILOT CONTROL INPUTS 25 DIA KITS 26