JLG G12-55A Service Manual - Manual (Page 163)

9-21 G10-55A, G12-55A
Electrical System
9.5.12 Power Unit Schematic - Cummins
TRANSTMP SWBLU 16AWG
TRANSTMP SWBLU 16AWG
TRANSSOL Y2BRN 16AWG
TRANSSOL Y3BRN 16AWG
TRANSSOL Y4BRN 16AWG
PKBRK SOLVIO 16AWG
TRANSSOL Y1BRN 16AWG
ENGGND BLK16A WG
ENGGND BLK16A WG
SPLICE13
TRANSSOL Y2BRN 16AWG
ENGGND BLK16A WG
TRANSSOL Y3BRN 16AWG
ENGGND BLK16A WG
TRANSSOL Y4BRN 16AWG
ENGGND BLK16A WG
TRANSSOL Y5BRN 16AWG
ENGGND BLK16A WG
PKBRK SOLVIO 16AWG
ENGGND BLK16A WG
TRANSSOL Y1BRN 16AWG
TRANSSOL Y5BRN 16AWG
ZF
TRANSMISSION
TURNER
TRANSMISSION
H2
1
2
3
4
5
6
7
8
9
10
11
12
H3
1
2
3
4
5
6
7
8
9
10
11
12
ENGGND BLK16A WG
TRANSSOL E2BRN 16AWG
TRANSSOL E3BRN 16AWG
TRANSSOL E4BRN 16AWG
TRANSSOL E6VIO 16AWG
TRANSSOL E1BRN 16AWG
TRANSSOL E5BRN 16AWG
ENGGND BLK16A WG SPLICE12
ENGGND BLK16A WG
ECUBA T/022RED 10AWG
ECUGND/050 BLK12A WG
ENG
W ARN
L T VIO
18A
WG
ENGW ARNLT VIO 18AWG
ENG
ST
OP
L T ORG
18A
WG
ENGST OPL TORG 18AWG
THRSUP/91 1BRN 18AWG
THR
SUP/91
1 BRN
18A
WG
THR
SGN/915
GRN
18A
WG
THRSGN/915 GRN18A WG
THR
R TN/914
YEL
18A
WG
THRR TN/914YEL 18AWG
CAN
H/904
YEL
18A
WG
CAN
L/905
GRN
18A
WG
CAN
SHIELD/020
GR
Y 18A
WG
IVSVIO 18AWG
IVS
VIO
18A
WG
WAIT TO STAR TWHT 18AWG
WA
IT T O ST
AR
T WHT
18A
WG
F
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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
SPLICE1
CANH/904 YEL18AWG
SPLICE2
CANL/905 GRN18A WG
SPLICE3
CAN
H/904
YEL
18A
WG
CAN
L/905
GRN
18A
WG
CAN
SHIELD/020
GR
Y 18A
WG
SPLICE
7
ENG
GND
BLK
12A
WG
SPLICE
8
PK
BRK
SOL
VIO
16A
WG
ON-IDLEORG 18AWG
ON-IDLE
ORG
18A
WG
IVRBLU 18AWG
IVR
BLU
18A
WG
G
1
2
3
4
SPLICE6
SPLICE5
ECUBA T/022RED 12AWG
ECUGND/050 BLK12A WG
ECUBA T/022RED 12AWG
ECU
IGN/012
RED
12A
WG
A
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
*
MAIN
BA
TTER
Y
B+TERM
1
B-TERM
1
BTTY
- BLK
2/0A
WG
BTTY
- BLK
2/0A
WG
SPLICE
4
ECUIGN/012 RED18A WG
H1
1
2
3
4
5
6
7
8
9
10
11
12
TRANSSOL Y1BRN 16AWG
TRANS
SOL
Y1
BRN
16A
WG
TRANSTMP SWBLU 16AWG
TRANS
TMP
SW
BLU
16A
WG
TRANSSOL Y2BRN 16AWG
TRANS
SOL
Y2
BRN
16A
WG
TRANSSOL Y3BRN 16AWG
TRANS
SOL
Y3
BRN
16A
WG
TRANSSOL Y4BRN 16AWG
TRANS
SOL
Y4
BRN
16A
WG
TRANSSOL Y5BRN 16AWG
TRANS
SOL
Y5
BRN
16A
WG
TRANSSOL Y6BRN 16AWG
TRANS
SOL
Y6
BRN
16A
WG
ENGGND BLK16A WG
ENGGND BLK16A WG
PRKBRK SOLVIO 16AWG
87 30 86 85
STAR TERRELA Y ,12V ,75 AMP
RL196-87 1 RL196-30 1 RL196 1 2
TBD
GRID
HEA
TER
FUSE
SLO-BLO
300A
(LITTLEFUSE)
FC197-1
1
FC197-2
1
30 87 86 85
TBD
GRID
HEA
TER
RELA
Y
RL198-1
1
RL198-2
1
RL198-3
1
RL198-4
1
STAR TER
ENGINE
M
PWR
STUD 1
SOL
STUD 1
GND
STUD 1
VALV E, PARK BRAKE
1 2
K1
1
K2
A B C D
GRIDHEA TER
ENGINE
EC202
1
BTTY- BLK2/0A WG
BTTY
- BLK
2/0A
WG
BTTY+ RED2/0A WG
BTTY
+ RED
2/0A
WG
STR
T PWR
RED
2/0A
WG
SPLICE
10
HTR
PWR
- 6A WG
FUSIBLELINK
FUSIBLE
LINK
FUSIBLE
LINK
ST
RL Y PWR
RED
10A
WG
STR
T SOL
ORG
10A
WG
STR
T SOL
ORG
10A
WG
ECUBA T/022RED 10AWG
ECUGND/050 BLK4A WG
ECU
GND/050
BLK
4A
WG
ENG
GND
BLK
16A
WG
ST
RL
Y ORG
16A
WG
ST
RL
Y ORG
16A
WG
HTR
PWR
A RED
2A WG
HTR
PWR
A RED
2A
WG
GRID
HTR
PWR
RED
2A
WG GRID
HTR
PWR
RED
2A
WG
HTRSIG ORG18A WG
HTR
SIG
ORG
18A
WG
HTRRT NBLK 18AWG
HTR
RT
N BLK
18A
WG
AL T EXC
RED
18A
WG
AL T EXC
RED
18A
WG
ENG
GND
BLK
16A
WG
PRK
BRK
SOL
VIO
16A
WG
PRK
BRK
SOL
VIO
16A
WG
ENG
GND
BLK
16A
WG
AL
TERNA
T
OR
K3
1
STR
T GND
1
ENG
GND 1
STR
T PWR 1
VEH
GND
1
BA
TTER
Y
CABLES
TO
VEH
GND
TO
STR
T
GND,
F7
TO
STR
T
PWR,
F7
TO
ENG
GND
STUD
POSITIVE
BA
TTER
Y
CABLE
BA
TT
POSITIVE
SIGNALS BA
TT
GROUND
TRANSSOL Y1BRN 16AWG
ENGGND BLK16A WG
TRANSSOL Y2BRN 16AWG
ENG GNDBLK 16AWG
TRANSSOL Y3BRN 16AWG
ENGGND BLK16A WG
TRANSSOL Y4BRN 16AWG
ENGGND BLK16A WG
CONNECTS
T
O
60
PIN
RECEPTICLE
ON
ENGINE
ECM
CONNECTST O29 PINCHASISS HARNESS
CONNECTS
T
O
H1
WHEN
TURNER
TRANSMISSION
IS
USED
ENG
GND
CABLE
DIAGNOSTIC
E D C G F A B J H
CAN
H/90
YEL
18A
WG
CAN
L/905
GRN
18A
WG
CAN
SHIELD/020
GR
Y 18A
WG
CANSHIELD/020 GRY 18AWG
ECU
BA
T/022
RED
12A
WG
ECU
BA
T/022
RED
12A
WG
TBD
FUSE
HOLDER,
A T O
5A
FC205 1 2
TBD
FUSEHOLDER, AT O
30A
FC206 1 2
SPLICE11
ECU
BA
T/022
RED
18A
WG
120
OHMS
E
A B C
MOLDEDDIODE
DIODE13
2
1
MOLDEDDIODE
DIODE9
2
1
MOLDEDDIODE
DIODE14
2
1
MOLDEDDIODE
DIODE5
2
1
MOLDEDDIODE
DIODE10
2
1
MOLDEDDIODE
DIODE15
2
1
MOLDEDDIODE
DIODE4
2
1
MOLDEDDIODE
DIODE12
2
1
MOLDEDDIODE
DIOCE6
2
1
MOLDEDDIODE
DIODE7
2
1
MOLDED
DIODE
DIODE
3
2 1
MOLDEDDIODE
DIODE11
2
1
MOLDEDDIODE
DIODE8
2
1
ECU
IGN/012
RED
18A
WG
TBD
FUSE
HOLDER,
A T O
5A
FC208 1 2
ECU
IGN/012
RED
18A
WG
ECU
IGN/012
RED
18A
WG
AL
T GND
BLK
8A
WG
ALT GNDBLK 8AWG
AL T PWR
- 12A
WG
SPLICE
15
AL
T PWR
- 12A
WG
SPLICE
14
AL
T PWR
RED
8A
WG SPLICE
16
HTR
PWR
RED
2A
WG
TEMPSW
A
B ENGGND BLK16A WG
VECPOS
A
B
VECNEG
A
B
VECPWR RED8A WG
VECPWR RED8A WG
VECGND BLK8A WG
VECGND BLK8A WG
ECU
GND/050
BLK
18A
WG
VEH
GND
1
STR
T GND
1
BTTY
- BLK
2/0A
WG
BTTY
- BLK
2/0A
WG
TO
VEH
GND
VEH
GND
CABLE
NEG
BA
TTER
Y
CABLE
TO
STR
T
GND,
F7
*
EXTRA
BA TTER
Y
B+TERM
1
B-TERM
1
MAINB-
1
MAINB+
1
BTTY+ RED2/0A WG
BTTY- BLK2/0A WG
STR
T
AID
POS
CABLE
STR
T
AID
NEG
CABLE
SOL1
A
B
SOL5
A
B
SOLE1
1
2
SOLE4
1
2
PKSOL
A
B
SOL4
A
B
SOL2
A
B
SOLE5
1
2
SOLE3
1
2
SOLE2
1
2
SOL3
A
B
SOLE6
1
2
TRANSSOL Y6BRN 16AWG
ENGGND BLK16A WG
TEMPSWITCH
COLDST ART TEMSW
1
TRANSTMP SWBLU 16AWG
TRANSTMP SWBLU 16AWG
TRANSSOL Y5BRN 16AWG
ENGGND BLK16A WG
MY4720A