JLG G12-55A Service Manual - Manual (Page 157)

9-15 G10-55A, G12-55A
Electrical System
9.5.6 Chassis Schematic - John Deere
A/C
COMPRESSOR
TO CAB
ASSEMBL
Y
HORN
REVERSE ALARM
TO POWER UNIT ASSEMBL Y
OPT PWR 1
KEY IGN
GAGE PWR
ECU IGN/012
ECU BAT/022
OPT PWR 2
STEER/SWAY PWR
STAB/TIL T PWR
KEY BA T PWR
HORN PWR
OPT PWR 3
OPT PWR 4
SP
ACCY
PWR
SP BA T PWR
ECU GND/050
KEY
ACC
TRAN/BRK PWR AUX RL
YS PWR
SHIFTER GND
DASH GND AL
T EXC
OPT
GND 1
OPT
GND 2
SP
CAB GND 1
SP
GND 1
SP
GND 2
AUX ELEC GND LT
GND
STR/SW
AY
GND
FUL/ST
AB GND
ENG GND
KEY BA T PWR
KEY IGN
OPT PWR 2
OPT PWR 3
KEY ACC
OPT PWR 4
GAGE PWR
STEER/SWAY PWR
HORN PWR
TRAN/BRK PWR
AUX RLYS PWR
KEY ST ART
DASH GND
REVERSE
REVERSE
REVERSE
STR CRB
STR CRB
STR AW
STR
AW
HORN
HORN
TRANS TMP SW
TRANS SOL Y1
TRANS SOL Y2
TRANS SOL Y3
TRANS SOL Y4
TRANS SOL Y5
PK BRK SOL
WORK LT
WORK LT
STOP LT
STOP LT
GAGE PWR
HR MTR
HR MTR
FUL L VL
ST
RL
Y
ST RL Y
OIL
PSI
OIL PSI
CL
T
TMP
CLT TMP
PK BRK SOL
OVR SUP/911
OVR SGN/918
OVR SGN/918
FAUL
T L
T/473
FAUL T L T/473
OVR SUP/911
OVR SUP/91
1
THR SGN/915
THR SGN/915
THR R
TN/914
THR RTN/914
SP-1
SP-2
SP-3
SP-3
SP-2
SP-1
ECU BA
T/022
ECU IGN/012 ECU GND/050
ENG GND
FUL L VL
PLUGGED PLUGGED PLUGGED PLUGGED PLUGGED PLUGGED
TRANS
TMP
SW
TRANS SOL
Y1
TRANS SOL
Y2
TRANS SOL
Y3
TRANS SOL
Y4
TRANS SOL
Y5
KEY ACC
OPT PWR 1
FRONT
RIGHT
WORKLIGHT
WORK LT
PLUGGED
PLUGGED
MAST
SIDESHIFT
SWING
EXTRA
OPT GND 1
OPT GND 2
JOYSTICK VA
LV E
TIL
T-ON
MAST
SIDESHIFT
SWING
EXTRA
AC CLUTCH
PLUGGED
PLUGGED
PK BRK SOL
SHIFT PWR 1
SHIFTER GND
KEY ST ART
SHIFT PWR 1
TRAN/BRK PWR
SP BA T PWR
SP ACCY PWR
SP CAB GND 1
SP ACCY PWR
SP BA T PWR
TILT DN
TILT UP
SP GND 1
SP GND 2
NEGA
TIVE CABLE
TO CAB FIREW
ALL
LT GND
LT G ND
STAB/TIL T PWR
STAB/TIL T PWR
FUL/STAB GND
STAB VL V
STAB VL V
STAB VL V
AUX ELEC GND
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
SP
CAB GND 2
SP CAB GND 2
PLUGGED
PLUGGED
PLUGGED
SP BA T PWR
TILT DN
TRANS TMP SW
LT G ND
STR/SW
AY
GND
STR/SW
AY
GND
FUL/STAB GND
FUL/STAB GND
FUL/STAB GND
FUL/STAB GND
FUL/STAB GND
AC CLUTCH
BAT POS
BAT POS
BAT GND
BAT GND
PLUGGED
AL
T EXC
TILT UP
STAB/TIL T PWR
FUEL SNDR
AUXILIAR
Y
ELECTRIC BLK
RED
YEL
BLU
ORG
EMPTY
TAIL
LIGHT
PLUGGED PLUGGED
(OPT)
(OPT)
(OPT)
F4
10A
GAGE (INST
P ANEL) PWR
SP
ARE
ACCESSOR
Y PWR
SP
ARE BA
TTER
Y PWR
AUX ELECTRIC PWR ENGINE ECU BA
T PWR
KEY
BA
TTER
Y PWR
R.
AXLE ST
AB/TIL
T PWR
F1
1
F12 F10 F9
15A 10A 10A 10A
F8 F7 F5 F6
25A 15A 15A 10A
STEER/SW
AY
PWR
HORN PWR
POWER DISTRIBUTION
OPTIONS POWER 4 OPTIONS POWER 3 OPTIONS POWER 2 OPTIONS POWER 1
FUSE/BREAKER LEGEND
ENGINE ECU IGN PWR AL
TERNA
TOR EXCITE
TRANS/P
ARK BRK PWR
CB4
20A
F2 F3 F1
5A 10A 15A
CB2 CB3 CB1
20A 20A 20A
SWITCH LA T TIL T
(-)15 DEG ENGINE SIDE
SWITCH (+)15 DEG CAB SIDE LA T T
ILT
(+)15 DEG RL
Y
(-)15 DEG RL
Y
LT
RT
6A
6A
STEER/SWAY PWR
STEER/SWAY PWR
STEER/SWAY PWR
STR/SWAY GND
STR/SWAY GND
STR/SWAY GND
STR/SWAY GND
STR/SWAY GND
STR/SWAY GND
STR/SWAY GND
STR/SWAY GND
STR/SWAY GND
SWAY ENABLE
SWAY ENABLE
SWAY ENABLE
MINUS 15
PLUS 15
PLUS 15
MINUS 15
PLUG
PLUG
SWAY RT
SWAY LT
SWAY LT
SWAY RT
SWAY LOCK
SWAY LOCK
SWAY LOCK
STR/SWAY GND
PLUGGED
PLUGGED
SV2
SV1
SV4
SV5
SV3
STEER/SWAY PWR
SW
AY
PROXIMITY SWITCH
12
TURNS
PER FOOT
TWIST
CHASSIS HARNESS
HD34-24-29PE
TO OPTIONS HARNESS
HD34-24-19SE
CHASSIS HARNESS
TO SHIFTER HARNESS
HD36-24-31ST
CHASSIS HARNESS
TO DASH P
ANEL
HARNESS
HD36-24-31PT
CHASSIS HARNESS
POSITIVE CABLE
TO
ST
A RT
E R
AND
AL
TERNA
TOR
NEGA
TIVE CABLE
TO ENG BLOCK NEGA
TIVE CABLE FLAG
TO
CHASSIS FRAME
ST
ABILIZER PROXIMITY
SWITCH
12 VDC BA TTER
Y
POWER DIST
VEC
ST
ABILIZER VA
LV E
SW
AY
PILOT
VA
LV
E
REMOVE DIODES FOR OPTIONAL ROLLER
TIL T
ON JOYSTICK AND INST
ALL
"EMPTY" PLUG
ALL
WHEEL STEER MODE VA
LV
E
CRAB
8-S
H
T3
-R
E V
B
LK
A
N
D
B
O
M
M
(OPT)
B
A
A
B
BC
A
D
C
B
A
2 2 1 1
B
A
21 20 19 18 17 16 7 11 15 14 13 12 9 10 8 3 5 6 4 1 2
+-
12
11
13
15
14
16
20
17
18
19
21
22
23
25
24
26
28
27
29
91
0
12
6
4
35
79
8
10
12
11
14
13
15
19
17
16
18
22 28 27 26 25 24 23 29
B
A
A
B
B
A
A
BD
C
30
31
D
E
7
13
2
5
46
8
26
11
13
25
47
69
81
0
19
15
13
12
14
17
16
18
20
22
21
24
23
25
30
28
27
29
31
AB
S
LT
RT
TM
A
BU
STO
P
TA IL
GRN
RED
BLK
(-)
F
F GRA
Y-5
20
20
20
BLACK-1
H
G
E
F
D
25
10
C
B
A
H
G
10
10
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
87
87a 30
86 85
IGNITION-2
BLACK-6 A
C
A
G
20
GRA
Y-2
E
D
C
A
B
10
10
15
H
CB2
F10
F11
F12
BLUE-3 F E D C B A H
F6
10 15
F1
15
F2 F5
5
GREEN-4 G F E D C B A
C
2
4
3
1
12
4
3
RED
YELLOW
GREEN
BLACK
BLACK
GREEN
YELLOW
RED
85
86
2
5
30
87
87a
1
4
3
85
86
2
5
30
87
87a
4
1
3
12
12
12
12
1
2
WHT A
+
ORG
RED
BLK
BLU
B
C
D
BLU
WHT
BLK
RED
ORG
+
MY1080