Service manual
C114
C124
MC2567 (5-25-99)
S/N 508412361-12460
S/N 509711309-11334
(Printed June 1999)
MC2567
853 BOSS - WIRING SCHEMATIC
START
RUN
OFF
ACC
2
1
PUR/WHT
RNG
RNG
DBL/WHT
RNG
WHT
BLK
RED/WHT
IGNITION SWITCH
B
I
ST
SO
BLK
PUR/RED
RED/WHT
C204
BLK
TO OPTIONS
(FRONT WIPER)
CAB HARNESS (BOSS) - 6704407
FLASHER
BRN
BRN
BRN
LEFT
FLASHER
LAMP
(IF
EQUIPPED)
BOSS DISPLAY
4
3
2
1
D
E
A
C
B
PUR/RED
PUR/WHT
RNG
BLK
RED
PUR/RED
PUR/WHT
BLK
DIAGNOSTIC PORT
C201C216
DGN/WHT
DGN/WHT
C119
DBL
LEFT
HEADLIGHT
(IF
EQUIPPED)
BLK
RED/WHT
PNK
RNG
BRN
LCD DISPLAY MONITOR
LGN/RED
RED
LGN/PNK
RNG
DGN/YEL
LGN/DBL
DETENT LIGHT
MODE LIGHT
AUXILIARY HYDRAULIC SWITCH
(IF EQUIPPED)
D
C
E
F
B
A
C110
BLK
DBL
BRN
RIGHT
HEADLIGHT
(IF
EQUIPPED)
RIGHT
FLASHER
LAMP
(IF
EQUIPPED)
RED/WHT
RNG/DBL
RNG/DBL BLK
HORN
TO ENGINE
C116C115
C120
LIGHT SWITCH
(IF EQUIPPED)
B1
B2
WARNING
HEADLIGHT
REAR WORK
TAIL
RED/WHT
C203
A
A
B
BLK
RNG
BLK
BLK
DGN/RED
DGN/LGN
B
C
C407C408
RNG/DBL
BLK
RNG
B
A
CONTROLS MODULE
FRONT AUXILIARY
R
OD SOLENOID
FRONT AUXILIARY
BASE SOLENOID
RNG
DGN
B
RNG
YEL/WHT
YEL
RNG
RNG
LGN/DBL
LGN/PNK
LGN/RED
DGN/YEL
LGN/PNK
LGN/RED
LGN/DBL
RNG
B
A
B
A
B
A
B
A
C410
BLK
BLK B
A
A
B
A
B
A
B
REAR AUXILIARY
ROD SOLENOID
REAR AUXILIARY
BASE SOLENOID
YEL/WHT
YEL
C
DGN/LGN
A
RNG
DGN/RED
RNG
DGN
DGN/RED
CONTROLS HARNESS - 6703878
HORN
C414
C415
C411
A B G J K H C D E F
A B G J K H C D E F
FA C E B D
FA C E B D
C G AD H J K E F B
FRONT
AUX.
DETENT
RIGHT HANDLE
(IF EQUIPPED)
YEL
BRN
RNG/WHT
B
A
RNG/DBL
DGN
B
C
A
LEFT HANDLE
(IF EQUIPPED)
A
C
B
DGN
RNG/DBL
A
B
HORN
RNG/WHT
BRN
YEL
REAR
AUX.
C401 C402 C403 C404
BLK
WHT
DBL/WHT
PNK
PUR/WHT
PUR/RED
RNG
RNG
BLK
RNG
BLK
BLK
RNG
RNG
PUR/RED
PUR/WHT
WHT/RNG
RNG/WHT
RNG/WHT
YEL/RED
BLK
BLK
PUR/RED
YEL/LBL
BLK
BLK
PUR
BLK
YEL/LBL
BLK
YEL/BRN
BLK
YEL/DBL
DBL/YEL
HR
A
STARTER RELAY
SHUTDOWN RELAY
WIRES CONNECT BY
L
ETTER ACROSS
CONNECTORS
A
B A
B
WHT/LGN
GLOW PLUG RELAY
M
S
B
STARTER
BATTERY
RED
RED
G
RED
S
ALTERNATOR
B
RED
RED
87
87A
30
86
85
BLK
DBL/WHT
PNK
BLK
85
87
87A
LBL/RNG
RED
BLK
RED
86
30
85
WHT
WHT/LGN
87
87A
SOME CONNECTOR
BODIES NOT SHOWN
FOR DRAWING CLARITY
BLK RNG
h
BLK
C121
RNG
GLOW
PLUGS
BOSS
FUEL SHUTOFF
S
OLENOID
LGN
C118
LGN/WHT
PUR
EXC
RED
YEL/DGN
RNG/DBL
86
30
AUXILIARY
HOURMETER AND
HARNESS (IF EQUIPPED)
ENGINE RPM
(MAGNETIC PICKUP)
#
H2
*
*
*
G1
C3
PIN NUMBER = 30 PIN CONNECTOR
*
C3
*
*
*
C2
D3
C1
#
#
#
#
#
#
C2
A2
A3
B1
B2
B3
*
*
*
*
F3
E1
B2
B1
#
#
#
#
C1
D3
D2
#
E3
*
*
*
*
*
*
*
*
D1
D2
E2
E3
H1
H3
B3
A1
#
PIN NUMBER = 18 PIN CONNECTOR
*
*
*
*
*
*
*
F2
G2
G3
J1
J3
J2
K1
#
#
#
F3
E2
F2
*
*
*
*
F1
K2
A3
A2
#
#
#
F1
E1
A1
BACKUP
ALARM
A
BLK
BLK
PNK
PNK
BLK
DBL/WHT
BLK
BLK
DBL/WHT
RNG/DGN
PNK
RNG
LEFT
TAILLIGHT
RIGHT
TAILLIGHT
E
B
A
RED
C
D
F
LBL/BLK
RED
LGN/DBL
DGN/YEL
RNG
LGN/PNK
LGN/RED
PUR/LBL
BLK
D1
LBL/WHT
RED
RED
REAR LIGHT HARNESS - 6577648
B
C
LEFT
WORK
LIGHT
RIGHT
WORK
LIGHT
B
C
WHT/BLK
BLK
RNG
RED/WHT
BLK
BLK
HYDRAULIC
CHARGE
PRESSURE
RNG
BLK
LBL/BLK
*
D1
ENGINE HARNESS (BOSS) - 6702898
DIODE
RED/WHT
ACCESSORY FUSE
RED/WHT
ENGINE FUSE
RED/WHT
RETURN FILTER
PRESSURE
HYDRAULIC
OIL
PRESSURE
PRE-FILTER
PRESSURE
HYDRAULIC
OIL
TEMPERATURE
COOLANT
LEVEL
AIR
FILTER
ENGINE OIL
PRESSURE
FUEL
LEVEL
ENGINE
COOLANT
RESISTOR
5 OHM
C106
C122
C107
BA
A B
B A
B A
BC A G J F K D H E
RNG
TO OPTIONS
C105
TO OPTIONS
RED/WHT
C108
RED/WHT
GRY = GREY
WHT = WHITE
PUR = PURPLE
TAN = TAN
BRN = BROWN
PNK = PINK
YEL = YELLOW
DGN = DARK GREEN
LGN = LIGHT GREEN
DBL = DARK BLUE
LBL = LIGHT BLUE
BLK = BLACK
RNG = ORANGE
RED = RED