JLG G12-55A Service Manual - Manual (Page 166)

Electrical System
9-24 G10-55A, G12-55A
9.6.3 Start & Charge Circuit - John Deere & Perkins
MY1111
1 2 6 4 3 5 7 8
F
R
SW1
F
R
SW2
N N
1
2
3
4
SW3
1
2
3
4
SW4
TRANSMISSION SHIFTER
HOBBS
87
87a
30
86
85
1
5
3
2
4
87
87a
30
86
85
1
5
3
2
4
F
GRAY-5
20 20 20
BLACK-1
H G E F D
25
C B A H G
10 15
CB3 CB4 F8
IGNITION-1
86 30 87 87a 85
F9 CB1 F7
ACCY-1
87 87a 30 86 85
86 87a 30 87 85
ACCY-2
87 87a 30 86 85
IGNITION-2
BLACK-6
A C A
G 20
GRAY-2
E D C A B
15 H
CB2 F12 BLUE-3
F
E
D
C
B
A
H
15 F1
F2 5
GREEN-4
G
F
E
D
C
B
A
C
+ -
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 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
I
B
S
A
G B+
M
85
86
87
30
D+ A
3
ON
6
2
1
OFF
5
4
7
7
29
28
26
27
24
25
15
23
22
20
21
18
19
16
17
11
13
14
12
9
10
8
3
5
6
4
1
2
BAT POS
BAT POS
POWER DIST
VEC
NEGATIVE CABLE
TO CAB FIREWALL
POSITIVE CABLE
TO STARTER
AND ALTERNATOR
NEGATIVE CABLE
TO ENG BLOCK
NEGATIVE CABLE
FLAG TO
12 VDC
BATTERY
KEY
BA
T PWR
ST
RL
Y
TRAN/BRK
PWR
TRAN/BRK PWR
ALT EXC
TRAN/BRK PWR
ST RLY
KEY
BA
T PWR ST
RL
Y
TRAN/BRK
PWR
LEFT DASH PANEL
ST
RL
Y
TRAN/BRK
PWR
(4 AWG, RED)
ALTERNATOR
STARTER
ALT EXC A
ST RLY
ST RLY PWR
ST RLY PWR
STRT SOL
STRT SOL
(3/0 AWG, RED)
(3/0 AWG, BLACK)
(3/0 AWG, RED)
(3/0 AWG, BLACK)
(4 AWG, RED)
(3/0 AWG, RED)
6A/400V
NEGATIVE CABLE
TO BATTERY
POSITIVE CABLE
TO BATTERY
STARTER
RELAY
TRAN/BRK PWR
TO DASH PANEL HARNESS
DASH PANEL HARNESS
TO SHIFTER HARNESS
SHIFTER HARNESS
KEY/IGN
PARK BRAKE
6A/400V
KEY
IGN
KEY
IGN
KEY
BA
T PWR
KEY
ST
AR
T
KEY
IGN
KEY
ST
AR
T
KEY
ST
AR
T
KEY
ST
AR
T
REVERSE
RELAY
WARN LIGHT
TEST RELAY
KEY
ST
AR
T