a300 Electrical Schematic v-0671-2

BAT
E3
D3
12 30
42
39 19
8210
8250
4730
8510
8550
8000
6210
6320
8010
15A
6320
6310
8530
868787A
25A
25A
1720
1050
1055
1330
2000
2010
2020
2030
1700
8510
8500
8550
8530
868787A
1060
2030
2040
8210
8200
8530
868787A
1030
2060
6300
6210
6200
15A
8530
868787A
1320
2010
2020
1800
30
A
8530
868787A
6000
1730
6600
6500
6400
6200
6310
7100
SWITCHED POWER 1000-1999 RNG
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
WIRES CONNECT BY LETTER
ACROSS CONNECTORS
A
B
B
A
FUSE 10
FUSE 11
FUSE 2
SOME CONNECTOR
BODIES NOT SHOWN
FOR DRAWING CLARITY
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
6000
25
1310
1080
1300
1060
1040
+
-
100A
1030
BATTERY
REAR LT
30A
FUEL PULL FR & MK LT
COMPUTER
UNSWITCH ED
ATTCHMNT
ACS
ALT & KI TS
FRONT &
MARKER
LIGHT
GLOW
PLUG
REAR
LIGHT
STARTER
SWITCH
POWER
15A
15A
25A
25A
25A
25A
25A
HEATE R
FUEL
PULL
25A
TRACTION
PULL
TRACTION
30A
FUSE 7
FUSE 8
FUSE 9
FUSE 10
FUSE 11
FUSE 12
FUSE 1
FUSE 2
FUSE 3
FUSE 4
FUSE 5
FUSE 6
FUSE 3
FUSE
TO OPTIONS
(BACKUP ALARM
SWITCH)
B
A
SEE CAB
CONNECTOR
G
D
E
C
H
A
C407
1010
3
C489
TO OPTIONS
(ACCESSORY
CONNECTOR)
1700
1140
2600
1150
1720
2720
6400
6500
6600
D
N
C
F
P
L
E
M
H
A
S
R
B
A
4275
4550
4730
4235
6300
1050
J
K
G
B
BACKUP
ALARM
6210
6200
LEFT
WORKLIGHT
RIGHT
WORKLIGHT
LEFT
TAILLIGHT
2610
63302640
6320
RIGHT
TAILLIGHT
2650
6210
2620
2630
6200
2600
7
1
0
0
6310
G
D
E
C
H
F
B
A
1020
1800
1015
8200
8250
1015
R
STARTER
S
M
ALTERNATOR
2015
3400
3420
15
47
HYDRAULIC CHARGE
PRESSURE SENDER
0.5 - 7.5 V
3410
F
E
A
+
-
C
B
A
F
E
A
A
B
1020
B
2730
F
TAILGATE / WORKLIGHTS 6716419
C110
1140
FUSE 1
25A
FUSE / RELAY CENTER
A
B
A
(HEATER
)
(ATTACHMENT)
(ALTERNATOR
& KITS)
C488
C103
UNSWITCHED POWER 1000-1999 RED
FUSED
, UNSWITCHED POWER 1000-1999 RED/WHT
3010
23
3500
3520
49
37
ENGINE OIL
PRESSURE
SENDER
0.5-7.5 V 3510
3500
3520
B
C
A
C107
-
C
B
B
C
A
4350
2350
TWO SPEED
SOLENOID
A
B
C
4
4
1
7.5 ohm
12V
A
B
4390
2360
TWO SPEED
MAKE-UP
A
B
C
4
3
7
5 ohm
12V
A
B
B
L
U
E
T
I
E
S
T
R
A
P
4460
2460
HIGH FLOW
A
B
C
4
1
5
7.5 ohm
12V
A
B
4450
29
9
36
4390
6
4350
31
4460
18
25
TRAVEL
CONTROL
4730
36
GLOW PLU G
FEEDBAC K
8550
45
+5V
SUPPLY
J1
P01
14
CAN
HIGH
9500
24
CAN
LOW
9600
34
CAN
SELECT
9700
33
UNSWITCH ED
BATTERY (3 )
1130
13
UNSWITCH ED
BATTERY (1 )
1110
2
OPEN
35
OPEN
44
ATTACHM ENT
KEY INPUT
9800
42
SWITCH PW R /
ACC RELAY
8000
31
TWO SPEE D
SOLENOID
4350
49
ENG OIL
PRESS SIG NAL
3520
5
RESERV ED
(BOOTST RAP)
21
SPARE
DIGITAL 2
11
RESERVED
(hall)
10
TRACTIO N LOCK
PULL / 96 3
4110
12
STARTER
FEEDBAC K
8250
40
FUEL PUL L
RELAY
8110
7
SPARE
OUTPUT 1
8
LEFT
BLINKER
15
HYD CHA RGE
PRESS +8V
3400
9
GLOW PLU G
RELAY
8510
23
SENSOR
GROUND S
3010
30
STARTER
RELAY
8210
16
RIGHT
BLINKER
32
FUEL PUL L
FEEDBAC K
8150
17
TRACTIO N
LOCK HOL D
4200
18
4460
HIGH F LOW /
900 LOAD
47
HYD CHA RGE
PRESS SIG NAL
3420
19
REAR WKL T
RELAY
6210
20
FUEL REL AY
HOLD
8800
22
TRACTION LOCK
PULL F EEDBACK
4150
28
UNSWITCH ED
BATTERY ( 2)
1120
27
RESERVED
(SENS OR GRND)
43
RESERV ED
(CAN S HIELD)
26
F&R AUX
RELIEF
4470
3
HYD FILTE R
SIGNAL
3430
29
DIVERTER
4450
1
RESERVED
(AC INPU T)
MARKER
LT RELAY
39
6320
37
ENG OIL
PRESS + 8v
3500
41
HANDL E
POWER
1400
46
SPARE
OUTPUT 2
48
HORN
50
RESERVED
(FAN OUT PUT)
38
GROUND
2100
4
TWO SPEE D
SWITCH
4910
6
TWO SPEE D
MAKE-UP
4390
6510
6410
7200
1740
3310
3430
3300
D
C
B
HYDRAULIC
TEMPERATURE
SENDER
500-3000 ohm
HYDRAULIC OIL
FILTER SWITCH
3430
D
C
B
H
Y
D
R
A
U
L
I
C
F
I
L
T
E
R
6
7
1
7
2
4
7
3300
3310
B
A
B
A
C477
C102
C
B
S
E
E
J
2
S
E
E
J
2
B
C
A
B
C
A
3410
3420
3400
A
B
A
B
C109
J1
J1
J1
A
B
6733137
FUEL
SHUTOFF
8820
P
U
L
L
HOLD
B
A
A
B
8120
15 ohm
0.5 ohm
B
C
A
B
C
A
8100
8800
2800
2390
2380
2410
2420
2400
2200
2370
2430
2000
2100
2360
2440
2450
2460
2330
2340
2480
2740
2720
2730
2710
GROUNDS
2110
2120
2300
2520
2530
2240
2600
3510
3610
2800
2350
11
7
23
2300
3210
STARTER
GLOW
PLUG
REAR
LIGHT
MARKER
LIGHT
SWITCHED
POWER
C404
TO OPTIONS
(ACCESSORY
CONNECTOR)
RELAY GROUNDS 2000-2060
ARE CONNECTED IN SERIES
Printed in U.S.A.
4460
2460
A
B
MAINFRAME HARNESS 7105982
WIRING SCHEMATIC
A300 (S/N 526412000 & Above)
(S/N 526512000 & Above)
(PRINTED MARCH 2005)
V-0671
26
4480
YELLOW TIE STRAP
C416
4450
2450
AB
C417
4480
2480
A B
GREEN TIE STRAP
C413
4430
2430
A B
BROWN TIE STRAP
4480
2480
A B
4430
2430
A B
BROWN TIE STRAP
GREEN TIE STRAPYELLOW TIE STRAP
4482 4481
C416A
AB
4452
2450
AB
4450
2450
AB
4451
C417A
2480
A B
A B
C413A
4430
2430
A B
A B
LOCK VALVE
LOCK VALVE
REAR ROD
REAR AUX.
HARNESS
6736011
2800
6736515
1 of 2
Dealer Copy -- Not for Resale
12 30
13
28
33
4032
25A
1130
1110
1120
8210
8250
1110
1120
1130
8150
8110
4150
4100
4110
30A
85 30
86 87 87A
1360
2050
2060
8210
8200
8530
868787A
1030
2060
10
22
4150
4110
8110
8150
8530
868787A
1350
2040
2050
8100
30A
14 24
34
44
9700
9600
9500
9800
17
20
8800
FUSE 6
FUSE 5
FUSE 4
4200
4310
4320
1400
4300
4920
4940
4930
4840
4830
4820
4810
41
6
16
26
36
30
20
19
29
9
25A
1150
1160
FUSE 9
1070
1040
2710
9800
9710
1730
9510
1160
9610
C
B
A
D
F
G
E
C426
A
C
D
&
R
E
M
O
T
E
S
T
A
R
T
C
O
N
N
E
C
T
O
R
38
2100
1170
F
A
D
1740
25A
P
K
N
J
S
M
L
4550
4275
4220
9620
9720
G
R
E
9520
H
B
C
2240
1080
FUSE 12
C
4
9
2
(
U
N
S
W
I
T
C
H
E
D
P
O
W
E
R
)
(ACS)
120
(COMPUTER)
C409
NOT USED
4920
4940
4930
4310
4320
4300
1
4
9
0
F
G
A
H
J
E
K
B
D
C
2530
4230
4820
4810
4840
4830
1480
A
D
C
B
G
F
K
E
H
J
4240
2520
C410
NOT USED
4640
4640
6410
6510
K G L
SEAT
BAR
A
C
B
3920
3910
3900
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
G
A
D
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
RUN/ENTER SWITCH
F
J
E
B
D
A
G
H
C
K
9320
2930
9340
9350
9200
9100
6100
1900
1200
BUZZER
LEFT PANEL
FRONT
WORKLIGHTS
B R P E D C A
2750
2740
2760
2770
2910
2900
2930
2920
CAB 6727178
2740
2900
M
LEFTRIGHT
C435 C434
B
A
B
A
6120
B
A
B
A
CAB
MAIN
FRAME
2000
1930
B
R
A
K
E
S
W
I
T
C
H
FS
4500
HJN
2770
2750
2
7
6
0
6110
C
4
2
2
21
41
C421
4370
2
3
7
0
4380
2380
1
2
1
2
(
N
O
T
U
s
e
d
)
4410
4360
4340
4330
4340
2340
3.3 ohm
PWM
4330
2330
FRONT BASE
1
2
1
2
1
2
C419
C
4
1
8
3
B
I
C
S
H
Y
D
R
A
U
L
I
C
L
O
C
K
FRONT ROD
4410
A
B
C420
9.8 ohm
12V
A
B
2410
40
C407
3910
3920
3900
9340
9100
9200
1900
1200
9350
2900
5
15
44
1
35
45
25
34
4
14
24
C408
SEE FUSE/RELAY CENTER
THIS PAGE
9340
9350
9200
9100
6100
3910
2900
2740
1900
1200
K G L B R P ME D C A
F
S
N J
H
4500
3900
3920
A
4500
46
4440
22
C423
A
B
4420
2420
BUCKET POSITIONING
9.8 ohm
12V
A
B
7
2
0
0
C425
4200
A
B
C
+8
-
9
29
19
PWM +8V
SUPPLY
PWM -
PWM
SIGNAL
4320
4310
4300
40
RH SKI
UP
4940
36
LH SKI
UP
4840
30
RH SKI
DOWN
4930
26
LH SKI
DOWN
4830
6
LH AUX
RIGHT
4810
16
LH AUX
LEFT
4820
20
RH FRONT
DETENT
4920
31
OPEN
35
SEATBAR
GROUND
49
ENG OIL
PRESS SIG NAL
3520
43
FLOAT
4640
5
SYSTEM
Tx
9100
15
SYSTEM
Rx
9200
14
PROTECT ED
POWER
1200
24
COMPU TER
POWER
1900
34
KEY/ENTER
SWITCH
9350
25
SEAT BAR
+8v
3900
45
SEATBAR
SIGNAL
3920
44
HEADLIG HT
SWITCH
9340
2
SPARE
ANALO G 1
23
STATUS
IN
9400
46
BRAKE SW
IN
4500
10
TRACTIO N LOCK
PULL / 96 3
4110
7
L HAND
SERIAL IN
9210
40
FUEL PUL L
RELAY
8110
10
ENG SPE ED
SIGNAL
3600
9
GLOW PLU G
RELAY
8510
27
OPEN
30
STARTER
RELAY
8210
18
AIR FILTER
SIGNAL
3700
19
REAR WKL T
RELAY
6210
28
FUEL
SENDER
3100
20
FUEL REL AY
HOLD
8800
4
COMPU TER
GROUN D
2900
29
DIVERTER
4450
8
COOLANT
TEMP SIGN AL
3200
MARKER
LT RELAY
39
6320
OPEN
37
33
OPEN
38
GROUND
2110
50
RESERVED
(FAN OUT PUT)
1
SPOOL
LOCK
13
SPARE
ANALOG 2
3
FRONT
ROD
4330
41
HYD LO CK
SOLENOID
4410
12
REAR
BASE
4440
32
BUCKE T
POSITION
4420
21
FRONT
BASE
4340
22
REAR
ROD
4430
42
STATUS
OUT
9410
3910
49
OPEN
39
OPEN
47
OPEN
48
HYDRAULI C
TEMP
3300
50
OPEN
17
SPARE
DIGITAL 1
4360
11
R HAND
SERIAL I N
9110
4
10
3600
SPEED
SENSOR
3610
3600
B
A
B
A
D
E
G
F
9410
9400
23
42
9410
9400
9210
9110 D
E
G
F
J2
P05
C
B
A
F
U
E
L
S
E
N
D
E
R
3
0
-
2
7
0
o
h
m
B
A
3100
3110
B
A
C476
8
48
12 32
C106
11
7
J2
J1
J2
J2
38
TRACTION
LOCK
FUEL
PULL
STARTER
GLOW
(TO ALL WHEEL
STEER CONNECTOR)
T
O
O
P
T
I
O
N
S
(
A
T
T
A
C
H
M
E
N
T
C
O
N
T
R
O
L
)
4910
4910
38
2110
3
3
0
0
C405
C406
28
3110
3100
AIR FILTER
SWITCH
3710
B
A
B
A
3700
B
3200
8
3700
18
48
10
B
A
S
E
E
J
1
B
A
12
C
S
E
E
J
1
C
V-0671 (3-16-05)
9110
9210
6510
6410
7200
ENGINE
COOLANT
SENDER
500-3000 ohm
B
A
3200
3210
B
A
C104
t
(
N
O
T
U
s
e
d
)
A
C
B
9.8 ohm
TWO SPEED BRAKE
2200
4100
S
e
e
C
4
9
2
C413
4430
2430
A B
BROWN TIE STRAP
C
4
1
4
4440
2440
A B
4430
2430
A B
4440
2440
A B
BROWN TIE STRAP
C413A
4430
2430
A B
A B
C414A
4440
2440
A B
A B
REAR ROD
REAR BASE
4430
4420
2 of 2
Dealer Copy -- Not for Resale