Electrical schematic - sheet 12 of 17 -84, Sheet 7 – JLG 1850SJ Service Manual User Manual
Page 444
SECTION 7 - BASIC ELECTRICAL INFORMATION & ELECTRICAL SCHEMATICS
7-84
– JLG Lift –
3121619
4
3
2
1
G
H
E
F
C
D
A
B
1
2
3
4
5
HEAD & TAIL LIGHT
SIGNAL
CONNECTION TO
TURNTABLE HARNESS
X159B
PUMP CONNECTOR
SEE SHEET 4
CONNECT TO X222B
PW
R
SI
G
GN
D
PW
R
SI
G
GN
D
CONNECTION
TO TURNTABLE
HARNESS X440B
SHEET 5
RIGHT
SWING
H
V
99
1
2
LEFT
SWING
HV
1
0
0
1
2
WH
T
2
2
-1
S
W
G
R
H
T
WH
T
2
2
-2
S
W
G
L
F
T
BL
K
0
-3
0
-1
S1
5
3
BL
K
0
-3
0
-2
BLK 0-14
X158
1
WHT 52-7 H&T LT SIG
X159A
1
2
3
4
5
6
7
8
9
10
11
12
WHT 47-6 ALT EXC
WHT 25-6 PLVL UP O/R
WHT 25-5 PLVL DN O/R
WHT 50-2 PLTFRM DUMP (16)
WHT 50-3 JIB DUMP (16)
WHT 27-3 JIB DN O/R
RIGHT DRV
PUMP FWD
HV142
1
2
RIGHT DRV
PUMP REV
HV143
1
2
LEFT DRV
PUMP REV
HV144
1
2
LEFT DRV
PUMP FWD
HV145
1
2
S146
BLK 0-15-3
BLK 0-15-1
BLK 0-15-2
BLK 0-15-2
BLK 0-15-4
X222A
1
2
3
4
5
6
WHT 7-4 RDRV PFWD
WHT 7-4 RDRV PFWD
WHT 7-3 RDRV PREV
WHT 7-3 RDRV PREV
WHT 7-1 LDRV PFWD
WHT 7-1 LDRV PFWD
WHT 7-2 LDRV PREV
WHT 7-2 LDRV PREV
BLK 0-15
BLK 0-15
ENABLE
CHASSIS
HV
3
1
4
1
2
ENABLE
LIFT
HV
3
1
5
1
2
VALVE
WARM UP
HV
3
1
6
1
2
W
H
T
55
-33 W
A
R
M
U
P
W
H
T
6
0
-6
W
A
RM
UP
RT
N
W
H
T
55
-31 C
H
S
E
N
A
B
L
E
W
H
T
5
5
-
3
0 LF
T
E
N
A
B
LE
WHT 55-30 LFT ENABLE
BL
K
0
-3
6
BL
K 0
-3
0
W
H
T
6
0
-7
L
E
N
A
BL
E
R
T
N
W
H
T
4
9
-
4
5
HY
D O
IL
T
E
M
P
WHT 49-45 HYD OIL TEMP
BLK 0-31
BL
K
0
-3
1
OIL TEMP.
HYDRAULIC
SN
4
1
6
1
2
PRESSURE CHECK
SENSOR
SN
4
3
8
1
4
3
2
SH
L
D
LIFT PRESSURE
SENSOR
SN
4
3
9
1
4
3
2
SH
L
D
X440A
1
2
3
4
5
6
7
8
BLK 49-74 L P GND (20)
BLU 49-75 PRS CHK (20)
BRN 49-77 P C PWR (20)
BLU 49-72 LIFT PRS (20)
BRN 49-73 L P PWR (20)
BLK 49-76 P C GND (20)
S
H
L
D
P
L
IF
T
S
N
(2
0
)
S455
SHLD RTN (20)
SHLD RTN (20)
S
H
L
D
P
C
H
K
SN
(
2
0
)
Figure 7-88. Electrical Schematic - Sheet 12 of 17
SHEET 7