751 Electrical Schematic v-0015-6

Posted in 751
BACKUP
ALARM
6210
6200
LEFT WORK
LIGHT
RIGHT
WORK LIGHT
LEFT
TAILLIGHT
2610
63302640
6320
RIGHT
TAILLIGHT
TAILGATE/
WORK LIGHTS
6200
2600
7100
6310
7100
2650
6210
2620
2630
B
H
A
C
G
F
E
D
HARNESS 6716419
2600
2650
2640
2630
2620
2610
ENGINE
ENGINE COOLANT
SENDER
500-3000 ± 30 ohm
ENG OIL PRESSURE
SENDER 0.5-7.5 V
SPEED SENSOR (VR)
3200
3210
3500
3510
3520
3600
3610
+
-
C
B
A
t
6600
6500
6400
6200
6310
7100
3200
3500
3520
3600
3420
3400
3300
3430
2300
6600
6500
6400
6200
6310
2600
G
F
B
A
H
C
E
D
7100
R
V
P
W
N
S
J
B
X
H
F
M
C
L
K
HYD TEMP SENDER
538-1824 ±30 ohm
HYD CHARGE PRESS
SENDER 0.5-7.5 V
H
Y
D
O
I
L
F
I
L
T
E
R
P
R
E
S
S
U
R
E
S
W
I
T
C
H
t
3300
3310
3400
3410
3420
+
-
C
B
A
3430
F
G
C
E
H
A
B
D
3300
3310
3400
3410
3420
3430
F
G
C
H
E
A
B
D
HYD FILTER
HARNESS 6715975
HARNESS 6718871
8250
8800
6600
6500
6400
7100
3200
3500
3520
3600
3420
3400
3300
3430
2300
T
U
R
V
P
W
J
B
X
H
F
M
C
L
K
BACKUP
ALARM
SWITCH
7100
B
A
REAR LT
30A
FUEL PULL FR & MK LT
COMPUTER
GLOW PLUG
15A
15A
25A
HEATER
25A
TRACTION
30A
FUSE 7
FUSE 8
FUSE 1
FUSE 2
FUSE 3
FUSE 4
FUSE 5
FUSE 6
C403
C103
BATTERY FEED 1000-1999 RED, RED/WHT,
GROUND 2000-2999 BLK
MONITORING 3000-3999 LBL
HYDRAULIC 4000-4999 LGN
ATTACHMENT CONTROLS 5000-5999 YEL
LIGHTS 6000-6999 PNK
ACCESSORIES 7000-7999 WHT
ENGINE 8000-8999 TAN
COMMUNICATION 9000-9999 PUR
C102
AIR FILTER SWITCH
3700
B
A
B
A
3710
WIRES CONNECT BY LETTER
ACROSS CONNECTORS
A
B
B
A
C405
C404
751 WIRING SCHEMATIC
S/N 515730001 & ABOVE
S/N 515620001 & ABOVE
(Printed SEPTEMBER 2003)
V-0015
1 of 6
Dealer Copy -- Not for Resale
G2
G1
E1
E2
E3
A1
B1
C1
D2
C2
B2
A2
B3
K3
K2
K1
C3
D3
D1
A3
3500
3430
3400
3420
3600
3300
3520
3200
3100
3010
3700
B1
E1
C2
C1
B3
D3
B2
D2
D1
F1
C3
F3
A3
A2
A1
E3
F2
E2
UNSWITCHED
ATTCHMNT
ACC PLUGS
ALT & KITS
FRONT &
MARKER
LIGHT
GLOW PLUG
REAR LIGHT
STARTER
SWITCH
POWER
25A
25A
25A
25A
FUEL
PULL
TRACTION
PULL
FUSE 9
FUSE 10
FUSE 11
FUSE 12
3
9
1
0
3
9
2
0
3
9
0
0
9
3
4
0
9
1
0
0
9
2
0
0
1
9
0
0
1
2
0
0
9
3
5
0
2
9
0
0
6
1
0
0
A
6
7
5
12
1
2
4
9
10
11
8
3
9
3
4
0
9
3
5
0
9
2
0
0
9
1
0
0
6
1
0
0
3
9
2
0
3
9
1
0
3
9
0
0
2
9
0
0
2
7
4
0
1
9
0
0
1
2
0
0
D1
B1
D2
B2
E3
B3
C1
C2
C3
D3
F2
A3
A2
A1
E2
F3
F1
E1
J2
C408
RED
, RED/WHT, RNG
5000
-5999 YEL
WHT
PUR
J1
AIR FILTER SWITCH
FUEL SENDER 20-
270 ohm
3
7
0
0
B
A
3
1
0
0
B
A
B
A
B
A
3
7
1
0
3
1
1
0
J4
MAIN FRAME
HARNESS 6719802
700 SERIES
J4
J2
UNSWITCHED
BATTERY IN (1)
UNSWITCHED
BATTERY IN (2)
UNSWITCHED
BATTERY IN (3)
GROUND
GROUND
OPENFUEL HOLD
FUEL PULL RELAY
FUEL PULL
FEEDBACK
GLOW PLUG
RELAY
BRAKE PULL
RELAY
STARTER RELAY
STARTER
FEEDBACK
BRAKE PULL
FEEDBACK
GLOW PLUG
FEEDBACK
OPEN
REAR WKLT
RELAY
MARKER LT
RELAY
8110
8150
8210
8550
4150
8250
6210
6320 8510
4110
1130
1120
1110
2100
8800
2110
D1
D3
D2
E1
E3
E2
F1
F3
F2
A1
A3
A2
B1
B3
B2
C1
C3
C2
J3
BLACK
D1
D3
D2
E1
E3
E2
F1
F3
F2
G1
G3
G2
A1
A3
A2
B1
B3
B2
C1
C3
C2
J4
WHITE
RH TWO SPEED
LH AUX RIGHT
BRAKE SW
IN
BRAKE SW
OUT
LH AUX LEFT
RH FRONT
DETENT
RH SKI DOWN
LH SKI DOWN
EHC INPUT
EHC OUTPUT
LH SKI UP
RH SKI UPPWM +
PWM -
PWM SIGNAL
FRONT BASE
FRONT ROD
SPOOL LOCK
T
ION HOLD
A
R ROD
A
R BASE
9400
4
200 94104320 45001400
4
430 48104820
4
440 491049204340
4330
4360
4830
4930
4840
4940
4310
4300
A1
A3
A2
B1
B3
B2
C1
C3
C2
D1
D3
D2
E1
E3
E2
F1
F3
F2
J2
WHITE
PROTECTED
POWER
COMPUTER
POWER
SYSTEM Tx
OPEN
KEY/ENTER
SWITCH
SYSTEM Rx
OPEN
HEADLIGHT
SWITCH
GROUND
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
SEATBAR SENSOR
SUPPLY
SEATBAR
SENSOR SIGNAL
SEATBAR SENSOR
GROUND
93402900
9350
19001200 9100
9200
3920
3910
3900
J3
J1
A1
A3
A2
B1
B3
B2
C1
C3
C2
D1
D3
D2
E1
E3
E2
F1
F3
F2
J1
BLACK
SPARE ANALOG
IN 1
FUEL SENDER
SIGNAL
HYD CHARGE
PRESSURE +
SPARE ANALOG
IN 2
ENG COOLANT
TEMP SENDER
HYD CHARGE
PRESSURE
SIGNAL
SPARE
DIGITAL IN 2
HYD TEMP
SENDER
SPARE DIGITIAL
IN 1
ENG OIL
PRESSURE +
ENG OIL
PRESSURE
SIGNAL
ENG SPEED +
(hall)
ENG SPEED
SIGNAL (vr)
AIR FILTER
SIGNAL
HYD CHARGE
FILTER SIGNAL
ENG SPEED
SIGNAL (hall)
SENSOR
GROUNDS
3100
3420
3400
3430
3700
3600 3500
35203010
3300
3200
OPEN
B1
E1
C2
C1
B3
D3
B2
D2
D1
F1
C3
F3
A3
A2
A1
E3
F2
E2
J2
D1
B1
D2
B2
E3
B3
C1
C2
C3
D3
F2
A3
A2
A1
E2
F3
F1
E1
G2
G1
J
1
E1
E2
E3
A1
B1
C1
D2
C2
B2
A2
B3
K3
K2
K1
C3
D3
D1
A3
J1
J4
C406
C405
C407
CAB
9
3
4
0
9350
9
2
0
0
9
1
0
0
6
1
0
0
3
9
2
0
3
9
1
0
3
9
0
0
2
9
0
0
2740
1900
1200
HARNESS
6718870
6
5
1
4
10
11
8
3
7
12
2
9
CONNECTS TO
C407
ON THIS PAGE
3110
3710
3010
RED = RED
RNG = ORANGE
BLK = BLACK
LBL = LIGHT BLUE
DBL = DARK BLUE
LGN = LIGHT GREEN
DGN = DARK GREEN
YEL = YELLOW
PNK = PINK
WHT = WHITE
BRN = BROWN
TAN = TAN
PUR = PURPLE
GRY = GRAY
2 of 6
Dealer Copy -- Not for Resale
4460
4430
4440
G2
G1
J
1
WHT
WHT
RED
WHT
BLK
PWM
C
D
B
RIGHT HANDLE
DGN
RNG
LGN
WHT
LGN
YEL
RIGHT
ROCKER
UP
SKI
CONTROL
J
H
K
E
A
F
G
DETENT
H
J
A
E
K
F
D
G
C
B
4300
4320
4310
4910
1490
4920
4940
4930
E1
E2
E3
A1
B1
C1
1450
BRAKE SWITCH
D2
C2
B2
A2
B3
K3
K2
K1
C3
D3
D1
4300
4310
4320
4910
4920
4
9
3
0
4
9
4
0
4840
4830
4820
4810
1400
9400
9400
A3
4500
C
B
G
F
A
K
E
D
J
H
1480
4820
4830
4840
4810
RNG
YEL
RED
YEL
LGN
WHT
BLU
PADDLE
MOMENTARY
SKI
CONTROL
LEFT HANDLE
B
C
F
G
A
K
E
D
J
H
C410 C409
J4
LEFT PANEL
9340
1210
1910
9210
9110
9300
9310
9320
9330
2910
START
BUZZER
CLOCK/LATCH
DATA
SYSTEM Tx
SYSTEM Rx
COMPUTER POWER
PROTECTED POWER
GROUND
HEADLIGHTS
H
D
A
G
B
E
J
F
C
K
RIGHT PANEL
9330
9310
9300
9120
9220
1920
1220
9350
2920
OPEN
START
CLOCK/LATCH
DATA
SYSTEM Rx
SYSTEM Tx
COMPUTER POWER
PROTECTED POWER
GROUND
KEY/ENTER SWITCH
F
J
E
B
G
A
D
H
C
K
9320
2930
3
9
1
0
3920
3900
SEAT
BAR
A
C
B
6120
6110
6120
FRONT WORKLIGHTS
2750
2760
B
A
2760
FRONT LIGHT
ACCESSORY
CONNECTORS
6
1
2
0
B
A
2
7
6
0
CAB
3
4
0
9350
2
0
0
1
0
0
1
0
0
9
2
0
9
1
0
9
0
0
9
0
0
2740
1900
1200
2000
CAB
MAIN
FRAME
HARNESS
6718870
6110
B
A
2750
6
1
1
0
B
A
2
7
5
0
2750
2740
2760
2910
2900
2930
2920
C434 C435
3 of 6
Dealer Copy -- Not for Resale
+ -
BATTERY
SWITCHED
POWER
8
0
0
0
25A
1
1
4
0
HEATER
8530
868787A
1710
25A
25A
1700
25A
1
7
0
0
1
1
5
0
2
7
3
0
1
1
4
0
1060
1040
1050
1300
1310
1
0
5
0
1055
2
0
0
0
2
0
1
0
A
D
C
B
1720
1
7
2
0
2
7
2
0
B
A
1030
1800
ATTACHMENT
AHC POWER
FUEL PULL
8
1
1
0
8
1
5
0
85
30
86
8787A
1
3
5
0
2
0
4
0
2
0
5
0
8
1
0
0
30A
2390
2380
2390
2410
2420
2400
2200
2370
2430
2000
2100
2490
2440
2450
2460
2330
2340
2480
2740
2720
2730
2710
GROUNDS
2110
2120
2300
A
6
0
0
0
GLOW PLUGS
0.4 ohm
HR
8500
8100
8800
FUEL SHUT OFF
WHT TO BLK = 0.26 ohm
RED TO BLK= 10.9 ohm
2800
8250
8100
1800
8500
8800
8200
G
T
E
A
D
U
H
Y
D
O
I
L
F
I
L
T
E
R
P
R
E
S
S
U
R
E
S
W
I
T
C
H
-
3430
H
D
3430
H
D
PULL
HOLD
B
C
AA
C
B
1020
18001010
S
EXC
BAT
G
1010
8250
8200
S
STARTER
R
M
ALTERNATOR
8250
8100
1800
8500
8800
8200
6600
6500
6200
6310
G
T
E
A
D
U
V
P
N
S
C401
C101
C402
C407
FUSE 1
FUSE 6
FUSE 10
FUSE 12
FUSE 11
RELAY GROUNDS 2000-2060
ARE CONNECTED IN SERIES
CONNECTS TO
C407
ON THIS PAGE
ACCESSORY
CONNECTOR
ACCESSORY
CONNECTOR
USED IN AHC
EQUIPPED LOADERS
ONLY
1010
100A
2010
E
N
G
I
N
E
A
L
T
E
R
N
A
T
O
R
4 of 6
Dealer Copy -- Not for Resale
G2
G1
J1
J2
J3
F2
F1
H1
F3
H2
H3
G3
A2
4
1
5
0
4
1
0
0
4
1
1
0
25A
25A
1
1
6
0
1
1
3
0
30A
REAR
LIGHT
MARKER
LIGHT
15A
6
3
2
0
6
3
0
0
TRACTION
LOCK
1
1
1
0
1
1
2
0
1
1
5
0
UNSW
POWER
85 30
86 87 87A
9
8
0
0
9
7
0
0
9
6
0
0
1
7
1
0
2
7
1
0
1
1
6
0
9
5
0
0
D
C
B
A
E
F
G
4
7
3
0
6
3
0
0
6
4
0
0
6
5
0
0
6
6
0
0
H
F
E
G
D
B
C
1
3
3
0
1
3
6
0
2
0
2
0
2
0
3
0
2
0
5
0
2
0
6
0
A
8
5
1
0
8
5
0
0
GLOW
PLUG
8
5
5
0
8530
868787A
1
0
6
0
2
0
3
0
2
0
4
0
STARTER
8
2
1
0
8
2
0
0
8530
868787A
1
0
3
0
2
0
6
0
6
0
0
0
E3
B3
D3
B2
J1
E1
J2
D1
J3
H1
F2
A1
F3
A2
G1
A3
G2
B1
G3
C1
H3
C3
K1
C2
K2
F1
K3
D2
H2
E2
8
2
1
0
8
2
5
0
2
1
0
0
2
1
1
0
1
1
1
0
1
1
2
0
1
1
3
0
8
1
1
0
8
1
5
0
8
8
0
0
4
7
3
0
4
1
5
0
4
1
1
0
8
5
1
0
8
5
5
0
8
0
0
0
6
2
1
0
6
3
2
0
9
7
0
0
9
6
0
0
9
5
0
0
9
8
0
0
6
2
1
0
6
2
0
0
15A
8530
868787A
1
3
2
0
2
0
1
0
2
0
2
0
FUEL PULL
8
1
1
0
8
1
5
0
8530
868787A
1
3
5
0
2
0
4
0
2
0
5
0
8
1
0
0
30A
8530
868787A
1
0
7
0
6
3
1
0
D3
F1
A2
C427
J3
700 SERIES
OPEN
REAR WKLT
RELAY
MARKER LT
RELAY
RESERVED
(R TURN)
RESERVED
(L TURN)
RESERVED
(HORN)
RESERVED
(ATT ACC)
ACCESSORY
RELAY OUTPUT
SPARE OUTPUT 1
ATTACHMENT
KEY INPUT
SPARE OUTPUT 2
TRAVEL
CONTROL
CAN SHIELD
CAN LOW
CAN HIGH
9500
6210
63204730
9800
8000
9700
9600
F1
F3
F2
G1
G3
G2
H1
H3
H2
J1
J3
J2
K1
K3
K2
BLACK
F1
F3
F2
G1
G3
G2
H1
H3
H2
J1
J3
J2
K1
K3
K2
FRONT BASE
FRONT ROD
SPOOL LOCK
TRACTION HOLD
REAR ROD
REAR BASE
HIGH FLOW
BICS LOCK
DIVERTER
BUCKET
POSITION
REAR BLEED
TWO SPEEDOPEN
FUTURE
(SERIAL RIGHT)
FUTURE
(SERIAL LEFT)
420043504470
443044204450
444044104460 4340
4330
4360
E3
B3
D3
B2
J1
E1
J2
D1
J3
H1
F2
A1
F3
A2
G1
A3
G2
B1
G3
C1
H3
C3
K1
C2
K2
F1
K3
D2
H2
E2
D3
F1
A2
G2
G1
J1
J2
J3
F2
F1
H1
F3
H2
H3
G3
A2
J3
407
ACD &
REMOTE START
CONNECTOR
LOCATED AT REAR OF
MACHINE
FUSE
6 FUSE 2 FUSE 3
FUSE 5
FUSE 4
FUSE 9
2090
2090
D
C
B
A
E
F
G
120 ohm
CONNECTS TO
ON THIS PAGE
ACCESSORY
CONNECTOR
5 of 6
Dealer Copy -- Not for Resale
4420
4460
4470
4450
4430
4410
4340
4330
4440
4200
G2
G1
J1
J2
J3
F2
F1
H1
F3
H2
H3
G3
4360
A2
4810
4330
2330
4340
2340
4410
2410
4430
2430
4450
2450
4480
2480
4460
2460
HYD LOCK VALVE
REAR ROD
FRONT ROD
FRONT BASE
DIVERTER
REAR AUX RELIEF
HIGH FLOW
4440
2440
REAR BASE
4490
2490
FRONT AUX RELIEF
TRACTION LOCK
4100
2200
4200
PULL
HOLD
4420
2420
BUCKET POSITION
A
B
C
B
C
A
2370
4370
4380
2
3
8
0
TILT SPOOL LOCK
LIFT SPOOL LOCK
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
F
K
E
D
4810
YEL
RED
LGN
PADDLE
MOMENTARY
TURN
SIGNAL
DGN
YEL
BRN
HORN
RNG
BLU
RNG
WHT
F
K
E
D
A
B
B
D
A
C
E
25A
1
1
6
0
1
7
1
0
1
1
6
0
E
F
C
4
C411C412
C413C414C415C416C417C418C419C420C421C422C423C424C425
WHT TO BLK =
0.26 ohm
RED TO BLK=
10.9 ohm
ACD
& REMOTE START
CONNECTOR
LOCATED AT REAR OF
MACHINE
BROWN TIE STRAP
WHITE TIE STRAP
BLUE TIE STRAP
YELLOW TIE STRAP
GREEN TIE STRAP
FUSE 9
E
F
7.7 ohm nominal
7.7 ohm nominal
3.3 ohm nominal
at 10 VDC
3.3 ohm nominal
at 10 VDC
7.5 ohm nominal
at 12 VDC
7.5 ohm nominal
at 12 VDC
7.5 ohm nominal
at 12 VDC
7.5 ohm nominal
at 12 VDC
9.8 ohm nominal
at 12 VDC
11 ohm nominal
at 14 VDC
9.8 ohm nominal
at 12 VDC
6.7 ohm nominal
at 12 VDC
ACCESSORY
CONNECTOR
ACCESSORY
CONNECTOR
V-0015
(9-11-03)
6 of 6
Dealer Copy -- Not for Resale