Service manual
C120
853 BOSS - WIRING SCHEMATIC
M
C2571 (5-25-99)
S/N 508415188-15215
S/N 509715222-15292
S/N 510250449-50691
S/N 510375214-75404
(Printed June 1999)
MC2571
2
1
PUR/WHT
RNG
DBL/WHT
BLK
RED/WHT
IGNITION SWITCH
B
I
SO
RED/WHT
C204
TO OPTIONS
(FRONT WIPER)
FLASHER
BRN
BLK
PUR/RED
BOSS DISPLAY
4
3
2
1
D
E
A
C
B
PUR/RED
PUR/WHT
RNG
BLK
PUR/RED
PUR/WHT
BLK
DIAGNOSTIC PORT
DGN/WHT
DGN/WHT
BRN
BRN
DBL
BLK
WHT
RNG
RED/WHT
PNK
BLK
RNG
RNG
ST
BRN
LCD DISPLAY MONITOR
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
LETTER ACROSS
CONNECTORS
A
B A
B
WHT/LGN
GLOW PLUG RELAY
M
S
B
STARTER
BATTERY
RED
RED
G
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)
HERE OR
TO OPTIONS
#
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
A
BLK
DBL/WHT
PNK
LGN/RED
RED
LGN/PNK
RNG
DGN/YEL
LGN/DBL
AUXILIARY HYDRAULIC SWITCH
(IF EQUIPPED)
D
C
E
F
B
A
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
WHT/BLK
BLK
RNG
RED/WHT
ACC
OFF
RUN
START
BLK
DBL
BRN
LEFT
HEADLIGHT
(IF
EQUIPPED)
RIGHT
HEADLIGHT
(IF
EQUIPPED)
LEFT
FLASHER
LAMP
(IF
EQUIPPED)
RIGHT
FLASHER
LAMP
(IF
EQUIPPED)
DETENT LIGHT
MODE LIGHT
BLK
BLK
6651664
RNG
BLK
LBL/BLK
*
D1
RED/WHT
DIODE
RED/WHT
ACCESSORY FUSE
RED/WHT
ENGINE FUSE
RED/WHT
C
RNG
RNG/DGN
D
E
BACKUP
ALARM
BLK
BLK
PNK
PNK
BLK
DBL/WHT
BLK
LEFT
TAILLIGHT
RIGHT
TAILLIGHT
LEFT
WORK
LIGHT
RIGHT
WORK
LIGHT
RNG/DBL
RNG/DBL
BLK
B
F
C
RNG
D
RNG/DGN
E
C106
CAB HARNESS (BOSS) - 6705136
B
F
REAR LIGHT HARNESS - 6704232
RED
RNG
HYDRAULIC
CHARGE
PRESSURE
TRANSDUCER HARNESS - 6704345
A
BB
A
YEL/LBL
BLK
ENGINE HARNESS (BOSS) - 6705035
C201 C114C115
RETURN FILTE R
PRESSURE
HYDRAULIC
OIL
PRESSURE
PRE-FILTER
PRESSURE
HYDRAULIC
OIL
TEMPERATURE
TO ENGINE
COOLANT
LEVEL
AIR
FILTER
FUEL
LEVEL
ENGINE OIL
PRESSURE
ENGINE RPM
(MAGNETIC PICKUP)
ENGINE
COOLANT
LIGHT SWITCH
(IF EQUIPPED)
B1
B2
WARNING
HEADLIGHT
REAR WORK
TAIL
RED/WHT
C123
C122
C116
C124
C203
C216
C128
RED
BA
A B
B A
B A
BC A G J F K D H E
B A
B A
TO OPTIONS
RNG
TO OPTIONS
TO OPTIONS
RED/WHT
C108C105
RED/WHT
A
A
B
BLK
RNG
BLK
BLK
DGN/RED
DGN/LGN
B
C
C407C408
RNG/DBL
BLK
RNG
B
A
TO
ATTACHMENT
CONTROLS MODULE
FRONT AUXILIARY
R
OD SOLENOID
FRONT AUXILIARY
BASE SOLENOID
RNG
DGN
DGN/LGN
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
BLK B
A A
B
C
DGN/LGN
A
RNG
DGN/RED
RNG
DGN
DGN/RED
CONTROLS HARNESS - 6702999
DGN/LGN
YEL
YEL
HIGH PRESSURE
RELIEF SOLENOID
LBL/RED
LBL/RED
HORN
C413
C415
C414
BD FA G E C K H J
FD BA G E C K H J
FA C E B D
FA C E B D
C D E H G J K A F B
YEL
RNG
RNG/WHT
DGN/LGN
DGN/RED
DETENT
WATER KIT
SKI CONTROL
C
D
B
A
A
B
C
FRONT
AUX.
TO
ATTACHMENT
DGN
RIGHT HANDLE (IF EQUIPPED)
A
E
F
B
LGN
DGN
C458 C459
WITHOUT FRONT AUXILIARY VALVE
C120
A
A
B
K
J
BLK
RNG
BLK
BLK
DGN/RED
DGN/LGN
B
C
D
C407C408
RNG/DBL
BLK
RNG
B
A
C
G
F
E
B
A
H
D
J
K
C
G
F
E
B
A
H
C
A
B
C
A
B
CONTROLS MODULE
FRONT AUXILIARY
R
OD SOLENOID
FRONT AUXILIARY
BASE SOLENOID
CONTROLS HARNESS - 6705283
RNG
DGN
DGN/LGN
B
RNG
YEL/WHT
YEL
DD
EE
FF
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
C411
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
HORN
C415
C414
C H G J K A D B E F
WHT
YEL
RNG
RNG/WHT
DGN/LGN
DGN/RED
RNG/WHT
DETENT
WATER KIT
SKI CONTROL
HORN
SKI CONTROL
C
D
B
A
C
A
B
B
A
B
A
A
B
C
FRONT
AUX.
TO
ATTACHMENT
TO
ATTACHMENT
DGN
RNG/DBL
RIGHT HANDLE (IF EQUIPPED)
LEFT HANDLE (IF EQUIPPED)
A
E
F
B
LGN
C403
DBL
DGN
C458 C459
WITH FRONT AUXILIARY VALVE
C120
YEL
YEL/LGN
YEL/RED
RNG
DGN
BRN
YEL
B
A
C
TURN
SIGNAL
REAR AUX.
C460
C457
C440
C441
C440
DBL
C403
LEFT HANDLE (IF EQUIPPED)
RNG/DBL
TO
ATTACHMENT
A
B
B
A
C
A
B
SKI CONTROL
HORN
RNG/WHT
WHT
YEL/RED
YEL/LGN
RNG
YEL
BRN
DGN
C
A
B
SIGNAL
TURN
REAR AUX.
C457
C441
C460
HERE OR TO
ATTACHMENT
HERE OR TO
ATTACHMENT
GRY = GREY
W
HT = 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