Electrical system, F. engine schematic, My8770b – JLG G5-18A Service Manual User Manual
Page 132
Electrical System
9-12
G5-18A, 2505H, 25.5
f.
Engine Schematic
A
B
C
D
8
7
6
5
4
3
2
1
D
C
A
B
1234
5
678
COOLANT
LEVEL
COOLANT
LEVEL
W
A
TER/FUEL
W
A
TER/FUEL
DIAGNOSTIC
M
RL148-1
PRE
WIRED
ON
ENGINET
O
EC58-B+
SHEET
9
RL148-1
PRE
WIRED
ON
ENGINET
O
EC58-B+
SHEET
9
RL148-2
PRE
WIRED
ON
ENGINE
T
O
EC58
SHEET
9
RL148-2
PRE
WIRED
ON
ENGINE
T
O
EC58
SHEET
9
ALL
WIRES
ARE
16
GA.
UNLESS
NOTED
OTHER
WISE.
ALL
WIRES
ARE
16
GA.
UNLESS
NOTED
OTHER
WISE.
M
T
O
AL
TERNA
T
O
R
EC57-B+
SHEET
9
TO
ENGINE
GROUND
TO
GLOW
PLUG
TO
ECM
TO
ECM
TO
ENGINE
TO
FRAME
X124
FRAME
X124
SHEET
5
TO
FRAME
X149
FRAME
X149
SHEET
5
TO
FRAME
X
182
SHEET
5
PLUG
X319
T
O
EC169
SHEET
7
SHEET
7
PLUG
EC169
T
O
X319
SHEET
7
X37
33
16
48
18
32
2
46
3
5
4
37
52
39
54
7
19
20
23
24
25
26
27
28
29
35
40
43
44
59
60
X38
1
2
5
6
13
16
28
29
35
44
45
46
52
53
54
57
61
62
63
64
75
76
78
82
85
86
87
88
93
94
3
4
68
15
26
73
NC
X39
62
35
42
37
38
61
40
41
20
19
14
13
15
21
32
47
48
22
31
25
29
24
27
17
28
23
26
46
50
51
57
58
59
60
WHT
TWISTED
P
A
IR
3
INJ
1
1
.5mm²
WHT
TWISTED
P
A
IR
3
INJ
1
1
.5mm²
BLK
TWISTED
P
A
IR
3
INJ
1
1
.5mm²
BLK
TWISTED
P
A
IR
3
INJ
1
1
.5mm²
WHT
TWISTED
P
A
IR
4
INJ
4
1
.5mm²
WHT
TWISTED
P
AIR
4
INJ
4
1.5mm²
BLK
TWISTED
P
A
IR
4
INJ
4
1
.5mm²
BLK
TWISTED
P
A
IR
4
INJ
4
1
.5mm²
WHT
TWISTED
P
A
IR
5
INJ
3
1
.5mm²
WHT
TWISTED
P
A
IR
5
INJ
3
1
.5mm²
BLK
TWISTED
P
A
IR
5
INJ
3
1
.5mm²
BLK
TWISTED
P
A
IR
5
INJ
3
1
.5mm²
WHT
TWISTED
P
A
IR
6
INJ
2
1
.5mm²
WHT
TWISTED
P
A
IR
6
INJ
2
1
.5mm²
BLK
TWISTED
P
A
IR
6
INJ
2
1
.5mm²
BLK
TWISTED
P
A
IR
6
INJ
2
1
.5mm²
WHT
TWISTED
P
A
IR
7-1
MPROP
1.5mm²
WHT
TWISTED
P
A
IR
7-1
MPROP
1.5mm²
BLK
TWISTED
P
A
IR
7
MPROP
1.5mm²
BLK
TWISTED
P
A
IR
7
MPROP
1.5mm²
WHT
TWISTED
P
A
IR
8
CAMSHAFT
0.75mm²
WHT
TWISTED
P
A
IR
8
CAMSHAFT
0.75mm²
BLK
TWISTED
P
A
IR
8
CAMSHAFT
0.75mm²
BLK
TWISTED
P
A
IR
8
CAMSHAFT
0.75mm²
WHT
TWISTED
P
A
IR
9
CRANKSHAFT
0.75mm²
WHT
TWISTED
P
A
IR
9
CRANKSHAFT
0.75mm²
BLK
TWISTED
P
A
IR
9
CRANKSHAFT
0.75mm²
BLK
TWISTED
P
A
IR
9
CRANKSHAFT
0.75mm²
WHT
100-1
FUEL
RAIL
PRES
0.75mm²
WHT
TWISTED
P
A
IR
10
EGR
+
1
.5mm²
WHT
TWISTED
P
A
IR
10
EGR
+
1
.5mm²
BLK
TWISTED
P
A
IR
10
EGR
-
1
.5mm²
BLK
TWISTED
P
A
IR
10
EGR
-
1
.5mm²
WHT
100-2
V
REF
0.75mm²
WHT
100-3
FUEL
RAIL
PRES
0.75mm²
WHT
100-3
FUEL
RAIL
PRES
0.75mm²
WHT
100-4
FUEL
RAIL
PRES
0.75mm²
WHT
100-5
BOOST
PRESS/TEMP
0.75mm²
WHT
100-5
BOOST
PRESS/TEMP
0.75mm²
WHT
100-6
COOLING
TEMP
0.75mm²
WHT
100-6
COOLING
TEMP
0.75mm²
WHT
101-2
S
IG
R
T
N
0
.75mm²
WHT
100-7
BOOST
PRESS/TEMP
0.75mm²
WHT
100-7
BOOST
PRESS/TEMP
0.75mm²
WHT
106-3-1
BOOST
PRESS/TEMP
0.75mm²
WHT
106-3-1
BOOST
PRESS/TEMP
0.75mm²
WHT
106-4-1
OIL
PRESS
0.75mm²
WHT
106-4-1
OIL
PRESS
0.75mm²
X40
1
2
X43
1
X45
A
B
C
X46
A
B
C
D
E
F
G
H
J
K
L
M
NC
WHT103-1
WA
TER/FUEL0.75mm²
WHT103-1
WA
TER/FUEL0.75mm²
WHT
103-1
W
A
TER/FUEL
0.75mm²
WHT
103-1
W
A
TER/FUEL
0.75mm²
WHT103-2
WA
TER/FUEL0.75mm²
WHT103-2
WA
TER/FUEL0.75mm²
WHT
103-2
W
A
TER/FUEL
0.75mm²
WHT
103-2
W
A
TER/FUEL
0.75mm²
WHT105-2
COOLANTL
VL
0.75mm²
WHT105-2
COOLANTL
VL
0.75mm²
WHT
105-2
COOLANT
L
V
L
0
.75mm²
WHT
105-2
COOLANT
L
V
L
0
.75mm²
WHT
106-1
FUEL
LOW
PRESS
0.75mm²
WHT
106-1
FUEL
LOW
PRESS
0.75mm²
WHT
106-1
FUEL
LOW
PRESS
0.75mm²
WHT
106-5
EGR
SIG
0
.75mm²
WHT
106-5
EGR
SIG
0
.75mm²
WHT
106-5
EGR
SIG
0
.75mm²
WHT
102-2
EGR
5V
0.75mm²
WHT
102-2
EGR
5V
0.75mm²
WHT
102-2
EGR
5V
0.75mm²
WHT
104-2
EGR
GND
0.75mm²
WHT
104-2
E
GR
GND
0
.75mm²
WHT
104-2
E
GR
GND
0
.75mm²
S48
S49
S51
S54
S55
RED
061-14-1
P
WR
2.5mm²
RED
061-14-3
P
WR
2.5mm²
BLK
000-52-3
G
ND
2.5mm²
BLK
000-52-1
GND
2
.5mm²
BLK
000-52-1
GND
2
.5mm²
WHT
105-1
S
IG
R
T
N
0
.75mm²
WHT105-1
SIGR
TN
0.75mm²
WHT105-1
SIG
RT
N0.75mm²
X56
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
BLK
000-52
GND
10A
WG
BLK
000-86
GND
16A
WG
B
L
KC
A
N2L
O
R
E
DC
A
N2H
I
RED
C
ABLE
15
CAN
H
I
BLK
C
ABLE
15
CAN
L
O
R
E
DC
A
N3H
I
B
L
KC
A
N3L
O
BLK
C
AN
LO
BLKC
ANLO
BLKC
ABLE5
CAN
LO18A
WG
BLKC
ABLE5
CAN
LO18A
WG
BLK
C
ABLE
5
C
AN
LO
18A
WG
BLKC
ABLE6
CAN
LO18A
WG
BLK
C
ABLE
6
C
AN
LO
18A
WG
RED
C
AN
HI
REDC
ANHI
REDC
ABLE6
CAN
HI18A
WG
RED
C
ABLE
6
C
AN
HI
18A
WG
REDC
ABLE5
CAN
HI18A
WG
RED
C
ABLE
5
C
AN
HI
18A
WG
RED
C
ABLE
5
C
AN
HI
18A
WG
RED
061-14
PWR
10A
WG
YEL
62-9-5
IGN
YEL
62-9-5-3
IGN
YEL
62-9-5-3
IGN
62-9-5-1
YEL
0.75mm²
62-9-5-1
YEL
0.75mm²
BLK
058-8
A
PS
GND
0
.75mm²
BLK
058-8
A
PS
GND
0
.75mm²
YEL
057-1
A
PS
5V
0.75mm²
YEL
057-1
APS
5V
0.75mm²
GR
Y
048-22
APS
SIG
0.75mm²
GR
Y
048-22
APS
SIG
0
.75mm²
GR
Y
048-22
APS
SIG
0
.75mm²
GR
Y
048-22
APS
SIG
0
.75mm²
WHT
048-23
IVS2
0.75mm²
WHT
048-23
IVS2
0.75mm²
WHT
048-23
IVS2
0.75mm²
WHT
048-23
IVS2
0.75mm²
GR
Y
048-28
ST
RL
Y
(-)
0.75mm²
GR
Y
048-28
ST
RL
Y
(-)
0.75mm²
GR
Y
048-28
ST
RL
Y
(-)
0.75mm²
GR
Y
048-10
IGN
S
0.75mm²
GR
Y
048-10
IGN
S
0.75mm²
RELA
Y
,
GLOW
PLUG
RL60-1
1
RL60-2
1
RL60
1
2
AT
O
F
U
S
E
7.5A
FC61
1
2
GR
Y
048-22-1
GP
SENSE
0.75mm²
GR
Y
048-22-1
G
P
SENSE
0.75mm²
GRY
048-22-1G
PSENSE
0.75mm²
BLK
000-40-2
GP
RL
Y
0
.75mm²
BLK
000-40-2
GP
RL
Y
0
.75mm²
BLK000-40-2
GPRL
Y
0.75mm²
X62
A
B
C
WHT
048-22-2GP
SENSE12A
WG
WHT
048-22-2G
PSENSE
12AWG
WHT
048-22-2G
PSENSE
12AWG
WHT048-22
GLOWPLG
8AWG
RED001-1
1GLOW
PLUG8A
WG
RED
001-1
1
GLOW
PLUG
8A
WG
SHIELDCABLE
6CAN
S18A
WG
SHIELD
CABLE
6
CAN
S
18A
WG
SHIELD
CABLE
1
5
C
AN
S
SHIELD
CABLE
1
5
C
AN
S
SHIELD
CABLE
1
5
C
AN
S
X192
1
2
3
4
X281
1
3x4B
u
s
sB
a
r
MS283
1
2
3
4
5
6
7
8
9
10
11
12
REDC
ABLE7
CAN
HI18A
WG
RED
C
ABLE
7
C
AN
HI
18A
WG
BLKC
ABLE7
CAN
LO18A
WG
BLKC
ABLE7
CAN
LO18A
WG
BLK
C
ABLE
7
C
AN
LO
18A
W
G
BLK
C
ABLE
7
C
AN
LO
18A
W
G
SHIELDCABLE
7CAN
S18A
WG
SHIELD
CABLE
7
CAN
S
18A
WG
SHIELD
CABLE
5
CAN
S
18A
WG
SHIELDCABLE
5CAN
S18A
WG
YEL69-9-5-4
IGN
YEL69-9-5-4
IGN
RED
061-14-2
P
WR
2.5mm²
RED
061-14-2
P
WR
2.5mm²
BLK
000-52-2
GND
2
.5mm²
X151
1
BLK000-64
GND
FUELPUMP
GENERIC
GENERIC
EC169
1
2
X180
1
2
WHT
090-1
FUEL
PUMP
14A
WG
WHT
090-1
FUEL
PUMP
14A
WG
WHT
090-1
FUEL
PUMP
14A
WG
WHT
090-1
FUEL
PUMP
14A
WG
BLK
000-63
GND
14A
WG
S292
BLK
000-65
GND
12A
WG
BLK
000-65
GND
12A
WG
AC
COMPRESSOR
MS302
1
WHT
078-8-2
A
C
COMP
WHT
078-8-2
AC
COMP
WHT078-8-2
ACCOMP
X111
1
2
S1
17
WHT048-22-4
GLOWPLG
8AWG
WHT048-22-3
GLOWPLG
8AWG
WHT048-22-3
GLOWPLG
8AWG
WHT
048-73
ST
SOL
0.75mm²
WHT
048-73
ST
SOL
0.75mm²
WHT
048-73
ST
SOL
0.75mm²
STRELA
YP
IAENGINE
STRELA
YP
IAENGINE
RL148-1
1
RL148-2
1
RL148
1
2
X156
A
B
C
X158
A
B
C
R
E
DC
A
N4H
I
B
L
KC
A
N4L
O
S312
001-11-1
FUSIBLELINK
12GA
001-11-1
FUSIBLELINK
12GA
WHT
148-15-68
C
LUTCH
0
.75mm²
WHT
148-15-68
C
LUTCH
0
.75mm²
WHT
148-15-68
CLUTCH
0.75mm²
WHT
148-15-68
CLUTCH
0.75mm²
WHT
148-29
COOLANT
0.75mm²
WHT
148-29
COOLANT
0.75mm²
WHT148-29
COOLANT0.75mm²
WHT
148-26
FUEL
PUMP
CONTROL
0
.75mm²
WHT
148-26
FUEL
PUMP
CONTROL
0.75mm²
WHT
148-26
FUEL
PUMP
CONTROL
0.75mm²
X319
1
2
BLK000-63-2
GND14A
WG
BLK000-63-2
GND14A
WG
WHT090-2
FUELPUMP
14AWG
WHT090-2
FUELPUMP
14AWG
FUEL
PUMP
EC322-
1
EC322+
1
MY8770B