Electrical schematic - sheet 8 of 17 -80, Sheet 5 – JLG 1850SJ Service Manual User Manual
Page 440
SECTION 7 - BASIC ELECTRICAL INFORMATION & ELECTRICAL SCHEMATICS
7-80
– JLG Lift –
3121619
4
3
2
1
G
H
E
F
C
D
A
B
1
2
3
4
5
DIAGNOSTIC DISPLAY
HOURMETER
GN
D
SH
IE
L
D
G
N
D
PO
W
E
R
FOOTSWITCH ENGAGE
GROUND MODE
PLATFORM MODE
PLATFORM EMS
CHASSIS TILT POWER
GND
CHASSIS TILT X AXIS
CHASSIS TILT Y AXIS
MOMENT CONTROL
IGNITION
CAN LOW
CAN HIGH
GROUND MODE
BOOM TRANSPORT N.O.
BOOM TRANSPORT N.C.
VBAT
BROKEN CABLE SWITCH
GND
VBAT
LIFT CYLINDER PRESSURE TRANSDUCER
MAIN VALVE PRESSURE TRANSDUCER
GND
GND
VREF
VREF
CAN HIGH EXTERNAL TERMINATION
CAN LOW EXTERNAL TERMINATION
VBAT
GROUND CONTROL ENABLE
CAN LOW
CAN HIGH
CAN 120 OHM
TERMINATOR
S
W
IN
G
L
E
F
T
IN
P
U
T
IG
N
IT
IO
N
S
W
IN
G
R
IG
H
T
IN
P
U
T
JI
N
T
E
LE
S
C
O
P
E
IN
IN
P
U
T
JI
N
T
E
LESC
O
P
E O
U
T
IN
PU
T
J
IB D
O
W
N
IN
PU
T
JI
B U
P
I
N
PU
T
PL
AT
F
O
R
M
R
O
T
A
TE
R
IG
H
T
I
N
PU
T
P
LA
T
FO
R
M
R
O
TA
TE
L
E
FT I
N
P
U
T
M
A
IN
L
IF
T
U
P
I
N
P
U
T
PL
AT
F
O
R
M
L
EVEL
U
P
IN
PU
T
M
A
IN
L
IF
T
D
O
W
N
IN
P
U
T
PL
AT
F
O
R
M
L
EVEL
D
O
W
N
I
N
PU
T
ST
AR
T
R
E
Q
U
EST
I
N
PU
T
AU
XI
LI
AR
Y PO
W
E
R
IN
P
U
T
5
0
0#
C
APAC
IT
Y
L
IG
H
T
AXL
E SET
L
IG
H
T
GL
OW
P
L
U
G
L
IG
H
T
M
A
IN
T
E
LESC
O
PE I
N
I
N
PU
T
H
IGH
C
O
OL
A
N
T
T
E
M
P
L
IG
H
T
M
A
IN
T
E
L
ESC
O
PE O
U
T
I
N
PU
T
LO
W
O
IL
P
R
E
S
S
U
R
E
LI
G
H
T
NO
A
LT
E
R
N
A
TO
R
L
IG
H
T
MO
ME
N
T
C
O
N
TR
O
L
T
E
S
T
L
IG
H
T
BO
O
M
C
O
N
TR
O
L
SYS
T
E
M
L
IG
H
T
PL
AT
F
O
R
M
O
VER
LO
AD
L
IG
H
T
1
0
00
# C
APAC
IT
Y L
IG
H
T
C
H
AS
SI
S
T
IL
T
SE
N
S
O
R
DI
A
G
N
O
S
T
IC
CO
NN
E
C
T
O
R
CONNECTION
TO VALVE
HARNESS X440A
SHEET 8
UNIVERSAL GROUND MODULE
(UGM)
1001119509
CO02-J7
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-J12
1
2
3
4
5
6
7
8
CO
0
2
-
J
4
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
11
12
13
14
C
O
02-
J
8
1
2
3
4
EMS
EMERGENCY
SW
5
5
-1
A
1A
SW
5
5
-2
A
2A
SW
5
5
-1
B
1B
SW
5
5
-2
B
2B
KEY
SWITCH
SW
5
6
-
1
1
SW
5
6
-B
1
SW
5
6
-
3
1
SW
5
6
-
2
1
SW
5
6
-B
1
1
SW
5
6
-
4
1
TURNTABLE
SWING
SW
5
8
1
3
2
4
5
6
MAIN
LIFT
SW
5
9
1
3
2
4
5
6
MAIN
TELESCOPE
SW
6
0
1
3
2
4
5
6
JIB
TELESCOPE
SW
6
1
1
3
2
4
5
6
PUSH BUTTON
MOMNT CNTRL
SW
6
6
-
1
1
SW
6
6
-
2
1
X7
7
1
2
3
4
5
6
5
10
12
14
16
17
18
19
W
H
T
21-
3
S
W
G
LF
T
W
H
T
21
-3
S
W
G
L
F
T
Y
E
L
2-
9
YE
L
2
-9
WH
T
2
1
-4
S
W
G
R
H
T
W
H
T
2
1
-
4
S
W
G
RHT
W
H
T
3-
3 L
IF
T
U
P
WH
T
3
-
3
L
IF
T
U
P
W
H
T
3-
4 L
IF
T
D
N
WH
T
3
-4
L
IF
T
D
N
Y
E
L 2-
9-
1
Y
E
L 2-
9-
1
Y
E
L 2-
9-
2
Y
E
L 2-
9-
2
WH
T
1
3
-5
T
E
L
E
I
N
W
H
T 1
3
-5
TE
L
E
I
N
WH
T
1
3
-6
T
E
L
E
O
U
T
W
H
T
1
3
-6
TE
L
E
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
WH
T
2
9
-3
J
IB
I
N
WH
T
2
9
-3
J
IB
I
N
WH
T
2
9
-4
JIB
O
U
T
WH
T
2
9
-4
J
IB
O
U
T
WH
T
2
7
-
4
J
IB
D
N
WH
T
2
7
-
5
J
IB
U
P
WH
T
2
3
-5
P
-R
O
T
R
H
T
W
H
T 2
3
-6
P
-R
O
T L
F
T
W
H
T
25
-7
P
-LV
L U
P
W
H
T
25
-8
P
-LV
L D
N
WH
T
4
8
-
4
S
T
R
T
WH
T
5
3
-2
A
U
X
W
H
T
54-
4
5
00#
W
H
T
39
-4
A
X
LE
W
H
T
4
8
-5
GL
OW
WH
T
4
7
-7
T
E
M
P
WH
T
4
7
-8
O
IL
P
R
S
WH
T
4
7
-9
AL
T
WH
T
4
9
-
2
8
M
N
T
C
N
T
R
L
W
H
T
49
-
2
9 B
C
S
W
H
T
4
9
-3
0 O
V
E
R
LO
A
D
W
H
T
54
-5
100
0#
Y
E
L 2-
12
1001
14
59
74_4
-
[7,
C
]
3 x 4 Buss Bar
CAN CHANNEL #1
MS
8
2
1
2
3
4
5
6
7
8
9
10
11
12
3
x
4
Bu
s
s
Ba
r
CA
N CHA
NN
E
L
#
2
MS83
1
2
3
4
5
6
7
8
9
10
11
12
G
R
N CA
N
L
O
G
RN C
A
N
L
O
Y
E
L
C
A
N
HI
Y
E
L
CA
N H
I
Y
E
L
C
A
N
HI
YEL CAN HI
G
RN C
A
N
L
O
GRN CAN LO
SH
L
D
C
A
N
S
H
L
D
SHLD CAN SHLD
GRN CAN LO
GRN CAN LO
YEL CAN HI
YEL CAN HI
WHT JUMPER
WHT JUMPER
X84
A
B
C
D
E
F
G
H
J
B
L
K
0-
1
9
-2
BLK 0-19-2
SHLD CAN SHLD
SHLD CAN SHLD
GRN CAN LO
GRN CAN LO
YEL CAN HI
YEL CAN HI
YEL 2-11-1 YEL 2-11-1
IP85
5A
YEL 2-11
WHT JUMPER2
WHT JUMPER2
WHT JUMPER3
WHT JUMPER3
YEL 2-15
YEL 2-5
Y
E
L 2-
4
-3
YEL 2-4-3
S8
9
Y
E
L 2
-
4
Y
E
L 2-
4
-4
YEL 2-4-4
R
E
D
1-
4-
2
R
E
D
1-
4-
2
1001
14
59
74_4
-
[5,
C
]
R
E
D
1-
4-
1
RED 1-4-1
R
E
D
1-
4 (
1
6)
R
E
D
1-
4 (
1
6)
Y
E
L
C
A
N
HI
G
RN C
A
N
L
O
RE
D 1
-
4
-3
RED 1-4-3
[2,E]
R
E
D
1-
4-
3
R
E
D
1-
4-
3
[4
,A
]
Y
E
L
C
A
N HI
Y
E
L
C
A
N
HI
1
0
0
1145
9
74
_
4
-[
4,
E
]
G
RN
C
A
N L
O
G
RN C
A
N
L
O
1
0
0
1145
9
74
_
4
-[
4,
E
]
SH
L
D
C
A
N
SH
L
D
SH
L
D
C
A
N
S
H
L
D
1
0
0
1145
9
74
_
4
-[
4,
E
]
WHT B LNTH CBL
WHT B LNTH CBL
1001145974_4-[7,G]
BLK B LNTH CBL
BLK B LNTH CBL
1001145974_4-[7,G]
RED B LNTH CBL
RED B LNTH CBL
1001145974_4-[7,F]
YEL 2-11 (12)
1001145974_4-[7,D]
S2
3
9
BL
K
0
-
1
9
-1
BL
K 0
-1
9
-
1
B
L
K
0-
19
(1
6)
10
0114
5
9
74_
4
-[
7,
B
]
Y
E
L
2-
4-
2
Y
E
L
2-
4-
2
10
011
459
74_
4-
[5
,C
]
BLK 0-20 (12)
RED 1-15
RED 1-15
1001145974_4-[6,E]
RE
D
1
-5
(
1
6
)
10
011
4
59
74_
4
-[
6,
E
]
X3
2
7
1
2
3
4
5
6
7
8
9
10
11
12
X3
2
7
B
1
2
3
4
5
6
7
8
9
10
11
12
R
E
D
1-
4-
1
RE
D
1
-4
-1
R
E
D
1-
5
-1
-
1 (
1
6)
R
E
D
1-
5-
1-
1 (
1
6)
R
E
D
1-
4-
3
RE
D
1
-4
-3
RE
D
1
-4
-2
R
E
D
1-
4-
2
Y
E
L 2-
1
2
-1
Y
E
L
2-
1
2
-1
BL
K
0
-1
9
-3
BL
K
0
-
1
9
-3
G
RN (
2
0
)
GR
N
(
2
0
)
Y
E
L (
2
0)
YE
L
(
2
0
)
WH
T
4
9
-
4
6
M
C
N
T
R
L
WH
T
4
9
-4
6
M
C
N
T
R
L
W
H
T
4
9
-4
6
M
CNT
RL
WHT 49-46 M CNTRL
WHT 55-30 LFT ENABLE
W
H
T
55
-3
0
LF
T
E
N
A
B
L
E
YEL 2-26 (12)
1001145974_4-[7,D]
YEL 2-25 (12)
1001145974_4-[7,D]
BLK 0-41 (12)
1001145974_4-[6,B]
BLK 0-40 (12)
1001145974_4-[6,B]
Y
E
L
C
A
N
HI
[6
,C
]
G
RN C
A
N
L
O
[6
,C
]
SHLD CAN SHLD
S
H
L
D
CA
N
S
H
L
D
[6
,C
]
SH
L
D
C
A
N
S
H
L
D
X395
1
2
3
4
WHT 49-64 TILT PWR
WHT 49-64 TILT PWR
BLK 0-60
BLK 0-60
WHT 49-65 X AXIS
WHT 49-65 X AXIS
WHT 49-66 Y AXIS
WHT 49-66 Y AXIS
BLU CABLE
BLU CABLE
1001145974_4-[7,E]
BLK CABLE
BLK CABLE
1001145974_4-[7,E]
RED CABLE
RED CABLE
1001145974_4-[7,E]
X4
4
0
B
1
2
3
4
5
6
7
8
W
H
T
4
9
-7
7 P
C
P
W
R
(
20)
WH T 4 9 -7 7 P C PWR (2 0 )
WH T 4 9 -7 6 P C G N D (2 0 )
W
H
T
4
9
-
76 P
C
G
N
D
(
20)
W
H
T
4
9
-7
5
PR
S C
H
K (
2
0
)
WH T 4 9 -7 5 PR S C H K (2 0 )
WH T 4 9 -7 3 L P PWR (2 0 )
W
H
T
49-
73
L
P
P
W
R
(
20)
W
H
T
49-
74
L
P G
N
D
(
20
)
WH T 4 9 -7 4 L P G N D (2 0 )
WH T 4 9 -7 2 L IFT PR S (2 0 )
W
H
T
4
9
-7
2 LI
F
T
P
R
S
(
20)
BL
K
0
-
5
0
-2
(
1
6
)
100
114
5
9
74_
4-
[7
,B
]
X467
1
UGM TO CHASSIS GND
X4
6
8
1
S4
6
9
CA
N
S
H
I
E
L
D
T
O
CHA
S
S
IS
G
N
D
SH
L
D
C
A
N
S
H
L
D
SH
L
D
C
A
N
S
H
L
D
1001
1
4
5
97
4_4
-
[7
,E
]
Figure 7-84. Electrical Schematic - Sheet 8 of 17
SHEET 5