2 constant power circuit from battery - cummins, Constant power circuit from battery - cummins, Alternator – JLG G12-55A Service Manual User Manual
Page 165: Batt positive signals batt ground, Options vec, Power dist, Power dist vec, My5040
9-23
G10-55A, G12-55A
Electrical System
9.6.2
Constant Power Circuit from Battery - Cummins
1
2
3
4
ECU BAT/022 RED 12AWG
ECU BAT/022 RED 12AWG
ECU BAT/022 RED 12AWG
ECU BAT/022 RED 12AWG
FUSE HOLDER, ATO
FUSE HOLDER, ATO
30A
FC206
1
2
87
30
86
85
STARTER RELAY, 12V, 75 AMP
STARTER RELAY, 12V, 75 AMP
RL196-30
1
GRID HEATER FUSE
GRID HEATER FUSE
SLO-BLO 300A
SLO-BLO 300A
(LITTLEFUSE)
FC197-1
1
FC197-2
1
30
87
86
85
GRID HEATER RELAY
GRID HEATER RELAY
RL198-1
1
STARTER
ENGINE
M
PWR STUD
PWR STUD
1
K1
1
A
B
C
D
STRT PWR
RED 2/0AWG
STRT PWR
RED 2/0AWG
FUSIBLE
LINK
FUSIBLE
LINK
ST RLY PWR RED 10AWG
ST RLY PWR RED 10AWG
HTR PWR A RED 2AWG
HTR PWR A RED 2AWG
HTR PWR A RED 2AWG
HTR PWR A RED 2AWG
ALTERNATOR
1
BATT POSITIVE
SIGNALS
BATT GROUND
DIAGNOSTIC
E
D
C
G
F
A
B
J
H
ECU BAT/022 RED 12AWG
ECU BAT/022 RED 12AWG
ECU BAT/022 RED 12AWG
ECU BAT/022 RED 12AWG
FUSE HOLDER, ATO
FUSE HOLDER, ATO
5A
FC205
1
2
ECU BAT/022 RED 18AWG
ECU BAT/022 RED 18AWG
ALT PWR - 8AWG
ALT PWR - 8AWG
HTR PWR RED 2AWG
HTR PWR RED 2AWG
OPTIONS VEC
OPTIONS VEC
OPT
PWR
1
OPT
PWR
1
OPT
PWR
4
OPT
PWR
4
OPT
PWR
3
OPT
PWR
3
OPT
PWR
2
OPT
PWR
2
85
87
86
87a
30
85
87
86
87a
30
F4
BLACK-1
G
H
F
D
E
C
15
25
5
F3
87
87a
30
85
86
F2
OPTION (15A)
OPTION (15A)
GRAY-2
A
B
AUX ELEC2
AUX ELEC2
87
87a
30
85
86
87a
30
87
OPTION (25A)
OPTION (25A)
85
86
87
87a
30
86
85
AUX ELEC1
AUX ELEC1
HEATER/BLOWER
LIGHTS
87
87a
30
85
86
WIPER
BCN/FAN
87
87a
30
85
86
F7
F6
20
10
10
F8
20
F5
20
F1
BLUE-3
GREEN-4
SP BAT PWR
SHIFTER HARNESS
SHIFTER HARNESS
KEY
BA
T
PWR
HORN
PWR
HORN
PWR
HORN
2
ON
OFF
I
KEY/IGN
B
S
A
DASH PANEL HARNESS
DASH PANEL HARNESS
+
-
POSITIVE CABLE
POSITIVE CABLE TO STARTER
TO STARTER AND ALTERNATOR
AND ALTERNATOR
12 VDC
12 VDC
BATTERY
OPT
PWR
1
OPT
PWR
1
ECU
BA
T/022
ECU
BA
T/022
OPT
PWR
2
OPT
PWR
2
KEY
BA
T
PWR
HORN
PWR
HORN
PWR
OPT
PWR
3
OPT
PWR
3
OPT
PWR
4
OPT
PWR
4
SP
BA
T
PWR
BAT POS
BAT POS
F
GRAY-5
20
20
20
BLACK-1
H G
E
F
D
25
10
C B A
H G
10
25
15
CB3
CB4
F8
F3
IGNITION-1
86
30
87
87a
85
F4
F9
CB1
F7
ACCY-1
87
87a
30
86
85
86
87a
30
87
85
ACCY-2
ACCY-2
87
87a
30
86
85
IGNITION-2
BLACK-6
A
20
GRAY-2
E D C
A
B
10
10
15
CB2
F10
F1
1
F12
BLUE-3
F6 10
15
F1
15
F2
F5
5
GREEN-4
B
POWER DIST
POWER DIST
VEC
11
1
3
2
5
4
7
6
9
8
10
19
15
13
12
14
17
16
18
12
11
13
15
14
16
20
17 18 19
21 22 23
25
24
26
28
27
29
9 10
30 31
7
1
3
2
5
4
6
8
CHASSIS HARNESS
CHASSIS HARNESS
12
11
13
15
14
16
20
17 18 19
21 22 23
25
24
26
28
27
29
9 10
30 31
7
1
3
2
5
4
6
8
ENGINE HARNESS
ENGINE HARNESS
MY5040