Electrical schematic - sheet 9 of 17 -81, Connection to valve harness x159a – JLG 1850SJ Service Manual User Manual
Page 441
SECTION 7 - BASIC ELECTRICAL INFORMATION & ELECTRICAL SCHEMATICS
3121619
– JLG Lift –
7-81
B
C
D
E
F
G
H
8
7
6
5
4
4
5
6
7
8
DRAWING NUMBER
REV.
ENGINE
CONNECTOR #2
SHEET 7
X217B
MAIN BOOM CABLE
CONNECTION TO
VALVE HARNESS
X159A
ENGINE
SHEET 7
CONNECTOR#1
X218B
JIB UP OVERRIDE
LIFT ENABLE
SPARE
GND
GLOW PLUG
GENERATOR
GND
ALTERNATOR EXCITE
START REQUEST
GND
HYDRAULIC OIL TEMP
AUXILIARY PUMP
BRAKE
AUXILIARY PUMP B+ DISCONNECT
GND
ANALYZER POWER
ANALYZER RX
ANALYZER TX
GN
D
SH
IE
LD
G
N
D
PO
W
E
R
ST
AR
T
R
E
Q
U
ES
T
IN
P
U
T
A
U
XI
LI
AR
Y
P
O
W
E
R
IN
PU
T
50
0#
C
A
PAC
IT
Y
L
IG
H
T
AX
LE
S
E
T
LI
G
H
T
GL
OW
P
LU
G
L
IG
H
T
M
A
IN
T
E
LE
S
C
O
P
E
IN
IN
P
U
T
H
IGH
C
O
O
L
A
N
T
T
E
M
P
L
IGH
T
M
A
IN
T
E
LE
SC
O
P
E O
U
T I
N
P
U
T
LO
W
O
IL P
R
E
S
S
U
R
E
L
IG
H
T
NO
A
L
TE
RN
A
T
O
R
L
IG
H
T
MO
ME
N
T
C
O
N
T
R
O
L TE
S
T
L
IG
H
T
B
O
O
M
CO
N
T
RO
L
S
Y
S
TE
M
L
IG
H
T
P
LA
T
F
O
R
M
O
V
E
R
LO
A
D
LI
G
H
T
10
00
#
C
A
P
A
C
IT
Y
LI
G
H
T
ANALYZER CONNECTION
UNIVERSAL GROUND MODULE
(UGM)
1001119509
5
6
7
8
B
C
D
E
F
G
H
A
1001145974
CO02-J1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
CO02-J2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
CO
0
2
-J
4
1
2
3
4
7
10
13
14
15
16
21
24
26
27
28
29
30
31
32
CO
0
2
-J
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
O
02-
J
8
1
2
3
4
MAIN
LIFT
S
W
59
5
6
MAIN
TELESCOPE
S
W
60
1
3
2
4
5
6
JIB
TELESCOPE
S
W
61
1
3
2
4
5
6
JIB
LIFT
S
W
62
1
3
2
4
5
6
PLATFORM
ROTATE
S
W
63
1
3
2
4
5
6
PLATFORM
LEVEL
S
W
64
1
3
2
4
5
6
START/
AUX PWR
S
W
65
1
3
2
4
5
6
PUSH BUTTON
MOMNT CNTRL
SW
6
6
-1
1
SW
6
6
-2
1
LIGHT
500# CAP.
LB
67
1
2
LIGHT
AXLE SET
LB
68
1
2
LIGHT
GLOW PLUG
LB
69
1
2
TEMP LIGHT
HIGH COOLANT
LB
70
1
2
PRES. LIGHT
LOW OIL
LB
71
1
2
OUTPUT LIGHT
NO ALTERNATOR
LB
72
1
2
TEST LIGHT
MOMENT CNTRL
LB
73
1
2
SYSTEM LIGHT
BOOM CONTROL
LB
74
1
2
LIGHT
PLATFORM OVERLOAD
LB
75
1
2
LIGHT
1000# CAP.
LB
76
1
2
X8
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Y
E
L 2-
9
-2
W
H
T
13-
5
T
E
L
E
I
N
W
H
T
13
-
5
T
E
LE
I
N
W
H
T
13-
6 T
E
LE
O
U
T
W
H
T
13-
6 T
E
LE
O
U
T
Y
E
L 2-
9
-3
Y
E
L 2-
9
-3
Y
E
L 2-
9
-4
Y
E
L 2-
9
-4
Y
E
L 2-
9
-5
Y
E
L 2-
9
-5
Y
E
L 2-
9
-6
Y
E
L 2-
9
-6
Y
E
L 2-
9
-8
Y
E
L 2-
9
-8
Y
E
L 2-
9
-9
Y
E
L 2-
9
-9
W
H
T
29-
3
J
IB
I
N
W
H
T
29-
4 J
IB
O
U
T
WH
T
2
7
-
4
J
IB
D
N
WH
T
2
7
-
5
J
IB
U
P
W
H
T
23-
5 P
-R
O
T
R
H
T
W
H
T
23-
6 P
-
R
O
T
LF
T
W
H
T
25
-7
P
-LV
L U
P
W
H
T
25
-8
P
-LV
L D
N
W
H
T
48-
4 S
T
R
T
W
H
T
53-
2 A
U
X
W
H
T
53-
2
A
U
X
W
H
T
54-
4
500#
W
H
T
54-
4 500#
W
H
T
39-
4
A
X
LE
W
H
T
39
-4
A
X
LE
W
H
T
4
8
-
5
GL
OW
WH
T
4
8
-5
G
L
O
W
WH
T
4
7
-
7
T
E
M
P
W
H
T
47-
7
T
E
M
P
W
H
T
47-
8 O
IL P
R
S
W
H
T
47
-8
O
IL P
R
S
W
H
T
47-
9 A
L
T
W
H
T
47-
9
A
L
T
W
H
T
49-
2
8
M
N
T
C
N
T
R
L
W
H
T 4
9
-2
8
M
N
T
C
N
TR
L
W
H
T
4
9
-29
B
C
S
W
H
T
49-
29
B
C
S
W
H
T
49
-3
0
O
V
E
R
L
O
A
D
W
H
T
49-
30
O
V
E
R
LO
A
D
W
H
T
5
4
-
5
1
000#
W
H
T
54-
5
1
000
#
B
L
K
0-
12-
9
B
L
K
0-
12-
9
B
L
K
0-
12-
8
B
L
K
0-
12-
8
B
L
K
0-
12-
7
B
L
K
0-
12-
7
B
L
K
0-
12-
6
B
L
K
0-
12-
6
B
L
K
0-
12-
5
B
L
K
0-
12-
5
B
L
K
0-
12-
4
B
L
K
0-
12-
4
B
L
K
0-
12-
3
B
L
K
0-
12-
3
B
L
K
0-
12-
2
B
L
K
0-
12-
2
B
L
K
0-
12-
1
B
L
K
0-
12-
1
B
L
K
0-
12
BL
K
0
-1
2
WHT 27-6 J-UP O/R
WH
T
2
7
-6
J
-U
P
O
/R
X88
1
2
3
4
WHT 49-34 A-PWR
WHT 49-34 A-PWR
WHT 49-35 A-RX
WHT 49-35 A-RX
WHT 49-36 A-TX
WHT 49-36 A-TX
WHT 49-37 A-GND
WHT 49-37 A-GND
Y
E
L
2-
15
Y
E
L 2-
5
Y
E
L 2-
4
Y
E
L
CA
N
HI
GR
N
C
A
N
L
O
R
E
D
1-
4-
3
RED 1-4-3
WHT 55-14 BRAKE
1001145974_4-[3,G]
WHT 53-3 AUX PMP
1001145974_4-[5,F]
X217A
1
2
3
4
5
6
7
8
BLK 0-17 (16)
BLK 0-17 (16)
WHT 48-8 SP
WHT 48-8 SP
WHT 52-9 GEN
WHT 52-9 GEN
WHT 48-7 GLOW
WHT 48-7 GLOW
BLK 0-18
BLK 0-18
YEL 2-13 (16)
YEL 2-13 (16)
1001145974_4-[7,C]
BLK 0-20 (12)
1001145974_4-[7,B]
BL
K 0
-3
1
BLK 0-31
WHT 49-45 HYD OIL TEMP
W
H
T
49
-4
5
H
Y
D
O
IL T
E
M
P
W
H
T
4
9
-46 M
C
N
T
R
L
X
159B
1
2
3
4
5
6
7
8
9
10
11
12
W
H
T
50-
3
J
IB
D
U
M
P
(
1
6
)
W
H
T
50-
3 J
IB
D
U
M
P
(
1
6)
X3
4
1
A
1
2
3
4
W
H
T
50-
2 P
L
T
F
M
D
U
M
P
(
16)
W
H
T
50
-2
P
L
T
F
M
D
U
M
P
(
1
6)
W
H
T
27-
3
J
IB
D
N
O
/R
W
H
T
27-
3 J
IB
D
N
O
/R
WH
T
2
5
-6
P
L
V
L
U
P
O
/R
WH
T
2
5
-6
P
L
V
L
U
P
O
/R
W
H
T
25-
5 P
LV
L
DN O
/R
W
H
T
2
5
-5
P
L
V
L
DN O
/R
WHT 55-30 LFT ENABLE
B
L
K
0-
14
B
L
K
0-
14
1
001145
974_4
-
[6,
B
]
YEL 2-26 (12)
YEL 2-25 (12)
BLK 0-41 (12)
BLK 0-40 (12)
X
3
41B
1
2
3
4
BL
K
(
1
6
)
BL
K
(
1
6
)
1001145
974_
3-
[8
,C
]
BL
U
(1
6
)
BL
U
(
1
6
)
100114
5974_
3-
[8
,B
]
WHT 55-35 AUX B+ DISC
WHT 55-35 AUX B+ DISC
1001145974_4-[5,C]
X218A
1
2
3
4
5
6
WHT 48-6 STRT
WHT 48-6 STRT
WHT 47-6-1 ALT EXC
YEL CAN HI
YEL CAN HI
[1,D]
GRN CAN LO
GRN CAN LO
[1,D]
SHLD CAN SHLD
SHLD CAN SHLD
[1,D]
W
H
T
47-
6 A
L
T
E
X
C
WHT 47-6 ALT EXC
S371
WHT 47-6-2 ALT EXC
YEL 2-1-99 IGNITION
S372
1001145974_4-[7,D]
YEL 2-1-99 IGNITION
SH
L
D
C
A
N
S
H
L
D
R
E
D
1-
7-
1
W
K
LT
P
W
R
(
16)
10
0114
5974_4-
[5
,A
]
R
E
D
1-
7-
2
W
K
LT
P
W
R
(
16)
10
0114
5974_4-
[5
,A
]
O
R
G
(
16)
OR
G
(1
6
)
100114
5974_
3-
[8
,B
]
R
E
D
(
16)
RE
D
(
1
6
)
100114
5974_
3-
[8
,B
]
Figure 7-85. Electrical Schematic - Sheet 9 of 17
SHEET 5
1001145974-A