JLG 1850SJ, Service And Maintenance Manual, Page: 698 / 712

SECTION 7 - BASIC ELECTRICAL INFORMATION & ELECTRICAL SCHEMATICS
7-106 3121619
TURNTABLE ANG
GND
GND
LFT FRNT AXLE SWG
RIGHT REAR AXLE SWG
ANALYZER PWR
ANALYZER TX
ANALYZER RX
ANALYZER GND
LFT REAR STR LFT
LFT REAR STR RHT
RHT REAR STR LFT
RHT REAR STR RHT
RHT FRNT STR RHT
LFT FRNT STR LFT
LFT FRNT STR RHT
RHT FRNT STR LFT
GND
GND
GND
GND
REAR AXLE SWG RET.
GND
FRNT RHT AXLE SWG
BRAKE
GND
REAR AXLE SWG EXT.
FRNT AXLE SWG RET.
TWO SPEED
FRNT AXLE SWG EXT.
GN
D
RE
AR
LF
T A
X S
WG
RE
AR
AX
SW
G R
TN
FR
NT
AX
SW
G R
TN
RE
F. V
OLT
AG
E
TURNTABLE ANGLE 2
GND
WHT 120 OHM
WHT 120 OHM
BL
K 0
0
-1
5
W
H
T
3
8
-1
RL
F
T
ASW
G
W
H
T
61-
1-
2
5V
W
H
T
61-
1-
1
5V
WH
T
61
-1
5
V
WH
T
61
-1
5V
RED STR PWR RED STR PWR
BLU STR SIG BLU STR SIG
BLK STR GND BLK STR GND
BLU STR SIG BLU STR SIG
BLK STR GND BLK STR GND
RED STR PWR RED STR PWR
BLU STR SIG BLU STR SIG
BLK STR GND BLK STR GND
RED STR PWR RED STR PWR
BLU STR SIG BLU STR SIG
BLK STR GND BLK STR GND
WH
T
55-
17
D
O
S
WHT 55-17 DOS
Y
E
L
02-
4
YEL 02-4
W
H
T
61-
1-
4
5V
[6
,C
]
W
H
T
61-
1-
3
5V
[7
,C
]
X1
47
B
1 2 3 4 5 6 7 8 9
10 11 12
G
R
N
C
AN
L
O
W
GRN CAN LOW
YEL CAN HI
YEL
C
AN
H
I
SH
L
D
C
AN
SH
L
D
SHLD CAN SHLD
WHT 55-14 BRAKE
WH
T
55-
14
B
R
A
K
E
X1
49
B
1 2
Y
E
L
02-
6
(10)
Y
E
L
02-
6
(10)
BL
K
0
0-1
1
(1
0
)
BL
K 0
0-1
1
(1
0
)
B
L
K
00
-12
(16)
B
L
K
00
-1
2
(1
6)
1 x 8 Buss Bar
DEUTSCH
MS
2
44
1 2 5 6 7 8 3 4
W
H
T
61-
1-
5
5V
[6
,C
]
W
H
T
61-
1-
6
5V
[6
,C
]
WHT 55-18 TTABLE ANG2
X
309
1 2 3 4 5 6 7 8 9 10 11 12
X1
47
A
1 2 3 4 5 6 7 8 9 10 11 12
X3
11
1 2 3 4 5 6 7 8 9
10 11 12
YEL
GR
N
BL
K
ORG
DR
IV
E
OR
IE
NT
A
T
IO
N
SN312
1
2
BLK
BLK
X1
49
A
1 2
STEER
LF
T
R
EAR
SN-SENSOR SIDE
1
2
3
4
5
6
NC
STEER
RHT
R
EAR
\
SN330
1
2
3
4
5
6
NC
STEER
L
F
T
F
RNT
SN331
1
2
3
4
5
6
NC
STEER
RH
T
F
R
N
T
SN332
1
3
2
4
5
6
NC
X340B
1
2
3
4
5
6
X337B
1
2
3
4
5
6
X338B
1
2
3
4
5
6
X-CHASSIS SIDE
1
2
3
4
5
6
X337A
1
2
3
4
5
6
X338A
1
2
3
4
5
6
X339A
1
2
3
4
5
6
X340A
1
2
3
4
5
6
RED STR PWR RED STR PWR
BLU RHT FRNT STR
BLU LFT FRNT STR BLU LFT FRNT STR
RED RHT REAR STR RED RHT REAR STR
BLU RHT REAR STR
BLU RHT REAR STR
BLK RHT REAR STR
BLK RHT REAR STR
RED LFT REAR STR RED LFT REAR STR
BLU LFT REAR STR
BLU LFT REAR STR
BLK LFT REAR STR
BLK LFT REAR STR
BLK RHT FRNT STR BLK RHT FRNT STR
RED RHT FRNT STR
RED LFT FRNT STR RED LFT FRNT STR
BLK LFT FRNT STR BLK LFT FRNT STR
REAR LFT AXLE SWG
MTS LINEAR SENSOR
S
N
34
9
1 2 3
PRESSURE SENSOR
OPEN HYD. CIRCUIT
S
N
42
3
1 3 2
WH
T
49
-71
H
Y
D
.
O
C
R
T
N
WHT 49-71 HYD. OC RTN
WHT 49-70 HYD. OC
W
H
T
49
-7
0
H
Y
D
.
O
C
S
424
SHIELD SHLD
SHIELD SHLD
SHIELD SHLD
SHIELD SHLD
X
425
1
SHIELD SHLD
SHIELD SHLD
SHIELD SHLD
SHIELD SHLD
SHIELD SHLD
SHIELD SHLD
SHIELD SHLD
SHIELD SHLD
X
445
A
1 2 3
X4
45
B
BRN SUPP
LY
WH
T
S
IG
N
A
L
B
LU
R
E
T
U
RN
WHT 49-100 ENABLE
WHT 49-100 ENABLE
W
H
T J
U
M
PER
W
H
T J
U
M
PER
W
H
T J
U
M
PER
W
H
T J
U
M
PER
Figure 7-110. Electrical Schematic - Sheet 10 of 21