V
W
Y
Z
L
M
N
O
F
G
H
K
X
I
J
E
D
C
B
A
U
T
S
R
86
SJ1044 TH, SJ1044 THS, SJ1056 TH, SJ1056 THS, SJ1256 THS
230790ABA
1
2
5
8
7
10
3
4
6
9
FUSE
N
O
.
RA
TING
AMPERE
CIRCUIT
RELA
Y CHART
RELA
Y
N
O
.
FUNCTION
-
HEA
TER V
AL
VE
, A/C
WIPER, FRONT & TOP
BL
OWER
F
AN/INT
. LIGHT
F17
30A
F18
F15
F16
F14
F13
10A
5A
-
10A
CAB
OPTION
ENCL
OSED
IGNITION/POWER RELA
Y
REAR AXLE L
OCK
POWER PORT
HORN/BEACON OPT
.
ROAD LIGHTS
REAR WIPER
B
OOM LIGHTS
WORK LIGHTS
TRANS/B
-U ALARM/P
ARK BRAKE
STEER SELECT/GA
UGE/TRANS TEMP
F5
F10
F12
F11
10A
10A
5A
15A
5A
F9
F8
F7
F6
10A
F3
F4
F2
F1
10A
10A
10A
10A
OPTIONS
F20
FRAME/CARRIAGE ENABLE
10A
A
UXILLARY HYDRA
ULIC
S
5A
OUTRIGGERS
10A
15A
5A
FRAME LEVEL INTERL
OCK
F19
100A
F27
F26
20A
GL
OW PL
UG
FUEL PUMP
30A
F25
ECM
BRAKE LAMP
5JCR
CARRIAGE ENABLE
POWER RELA
Y
B
OOM UP
56ACR
19CR
224CR
222CR
60CR
FUEL PUMP
POSITIVE SHUTOFF
403ACR
FRAME ENABLE
B
OOM ANGLE
212CR
77CR
ENGINE RUNNING
255CR
REAR WIPER
258CR
FRONT WIPER
LEF
T TURN SIGNAL
250ACR
RIGHT TURN SIGNAL
251ACR
TOP WIPER
258ACR
P
ARK BRAKE RELEASE RELA
Y
05CR
TURN/HAZ
./BRAKE LIGHTS
65CR
FRAME LEVEL DISABLE
28CR
B
OOM RAISE DISABLE
28LCR
FRAME LEF
T ENABLE
28RCR
FRAME RIGHT ENABLE
11CR
GL
OW PL
UG
F21
-
-
F22
-
-
F23
-
-
F24
-
-
ST
ARTER INTERRUPT
57DCR
-
-
-
-
R.A
.S. DRIVE/BRAKE INPUT RELA
Y
R.A
.S. RESTRICT MODE ENABLE
223ACR
220CR
84
83
82
81
53
77
80
79
78
76
74
75
73
72
71
70
69
68
67
60
66
65
64
63
62
61
59
58
57
56
55
54
51
52
50
49
48
47
45
46
43
44
42
41
40
36
37
39
38
34
35
33
29
32
30
31
26
27
28
22
25
23
24
21
20
19
18
17
16
14
15
13
12
5
10
11
9
8
7
6
4
3
2
1
04
04
04
04
04
04
00
04
05G
246
247
246
246
246
247
246
05K
256
05L
05N
260
05P
262
263
264
265
266
266
266
267
268
269
270
269
270
266
262
263
264
90
87
86
85
88
89
100
98
99
97
96
95
91
92
93
94
211
105
104
102
103
101
258
259
259A
05L
05L
05L
05L
00
247
247
04
05J
249
253
254
252
250A
251A
254
254
05J
05J
250B
251B
249
05J
05J
D05J
250
250A
251
251A
254
254
252A
250A
251A
256
05K
250
251
00
05L
208
208A
108
106
107
113
112
110
111
109
57
403
401
CANL
CANH
403A
402
403
02
408
403A
403A
403A
403B
05H
261
271
271A
271
271A
115
114
261
05D
CANL
CANH
HEA
TER POT
.
SW17
BL
OWER
S
W
.
WINDSHIELD W
ASHER
B
OOM LIGHTS SWIT
CH
FROM SHEET 1
FROM SHEET 1
B
A
FUEL GA
UGE LAMP
WORKLIGHT SWIT
CH
HEA
TER POT
.
A/C PRES
SURE SWIT
CH
A/C COMPRES
SOR SOL
BL
OWER MOTOR
WINDSHIELD W
ASHER SWIT
CH
INTERIOR LIGHT
F
A
N
TOP WIPER
FRONT WIPER
B
OOM LIGHT
s
RIGHT FRONT WORKLIGHT
LEF
T FRONT WORKLIGHT
SW24
W
ASHER/WIPER
S
W
.
B
OOM LIGHT
RIGHT FRONT WORKLIGHT
LEF
T FRONT WORKLIGHT
LEF
T REAR WORKLIGHT
A/C COMPRES
SOR
PS3
A/C PRES
S. SW
.
TPSW2
A/C TEMP
. SW
.
HEA
TER V
AL
VE
A
C
D
MOTORIZED
M8
SW18
A/C SW
.
OUT
+
GN
10 A
F20
C
M7
BL
OWER
B+
F18
30 A
0
L
M
H
INT
. LIGHT
BEACON
5 A
F17
M6
F
A
N
TOP WIPER
10 A
F15
FRONT WIPER
10A
F14
15 A
F12
1
3
2
5
6
4
F11
10 A
MOTORIZED
HEA
TER V
AL
VE
BEACON LIGHT
2H-57
C
PS.RB
PL7 - RD
RESERVE BRAKE
SOL
.
RESERVE BRAKE P/S &
LIGHT
D
M3
W
ASHER
M4
1
3
2
5
4
6
M5
RIGHT REAR WORKLIGHT
258CR RELA
Y
FRONT WIPER
6
4
5
2
1
3
D252-1
D252
RIGHT
LEF
T
3
1
2
2
PS2
5JCR
BRAKE LAMP RELA
Y
L
X
FL1
FLASHER
F13
5 A
SW 23 - HAZ
.
250ACR
LEF
T SIGNAL
251ACR
RIGHT SIGNAL
BRAKE PRES
SURE SWIT
CH
BRAKE LAMP RELA
Y
HAZARD SWIT
CH
FLASHER
RIGHT TURN/BRAKE LIGHT
LEF
T TURN/BRAKE LIGHT
RIGHT TURN SIGNAL
LEF
T TURN SIGNAL
6
4
5
5
6
4
T
AIL LIGHTS
B
OOM LIGHT
LEF
T TURN/BRAKE LIGHT
RIGHT TURN/BRAKE LIGHT
RIGHT REAR WORKLIGHT
LEF
T REAR WORKLIGHT
J
FUEL GA
UGE LAMP
D252A-1
D252A-2
3
1
258A CR RELA
Y
TOP WIPER
1
3
SW 9
POS. SHUTOFF
.
2
20 A
B1
DL6 - RD
E
V
AL
VE HOLD
RED LIGHT
MANU
AL SHUTOFF
.
SWIT
CH
V
AL
VE ENGAGE
CANL
V
AL
VE HOLD
MANU
AL SHUTOFF
A
UTO
-RESET
BREAKER
GROUND
V
AL
VE GROUND
CANH
SHUT OFF
-SOL
.
K
L
R3
50 Ω
FRONT RIGHT TURN
FRONT LEF
T TURN
FRONT RIGHT TURN
FRONT LEF
T TURN
D250
D251
T
AIL LIGHTS
4
6
5
1
3
2
SW19 - ROAD LIGHT
HEAD LIGHTS
HIGH BEAM
L
OW BEAM
HEAD LIGHTS
HIGH BEAM
L
OW BEAM
HEAD LIGHTS
RIGHT
LEF
T
RIGHT
LEF
T
FROM SHEET 1
SW11 - WORK
LIGHTS SW
.
SW10
B
OOM LIGHTS
S
W
.
SW12 - TURN SIGNAL
SW 8
SW 13
LEF
T OUTRIGGER SW
.
RIGHT
OUTRIGGER SW
.
OUTRIGGER - R2
RETRACT LEF
T
OUTRIGGER - E2
EXTEND LEF
T
OUTRIGGER - E1
EXTEND RIGHT
OUTRIGGER - R1
RETRACT RIGHT
04
225
227
226
228
05S
4H-225
4H-226
4H-227
4H-228
SW21 OUTRIGGER SW
.
LEF
T
3
1
2
2
1
3
SW22
OUTRIGGER SW
.
RIGHT
10 A
F10
3.37 Electrical Schematic 74 HP - SJ1044 TH & SJ1056 TH
3.37 Electrical Schematic 74 HP - SJ1044 TH & SJ1056 TH
M190121AP-S2
Summary of Contents for SJ1044 TH
Page 4: ...4 SJ1044 TH SJ1044 THS SJ1056 TH SJ1056 THS SJ1256 THS 230790ABA Notes...
Page 10: ...10 SJ1044 TH SJ1044 THS SJ1056 TH SJ1056 THS SJ1256 THS 230790ABA Notes...
Page 25: ...25 SJ1044 TH SJ1044 THS SJ1056 TH SJ1056 THS SJ1256 THS 230790ABA Section 2 Maintenance Tables...
Page 105: ...105 SJ1044 TH SJ1044 THS SJ1056 TH SJ1056 THS SJ1256 THS 230790ABA Notes...
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