JLG G6-42A Service Manual - Manual (Page 206)

Electrical System
9-42 G6-42A, G9-43A, G10-43A
POWER UNIT ENGINE HARNESS
HD36-24-29PE
TO CHASSIS ASSEMBLY
DIAGNOSTIC
CONNECTOR
ECM POWER
CUMMINS ENGINE ECM CONNECTION (60 PIN)
AL
TERNA
T O
R
M
X02
1 2 3 4
X03
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 51 52 53 54 55 56 57 58 59 60 NC
X04
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
RED
ECM
PWR
S09
RED
ECM
PWR
X10
TO
BA
TTER
Y
POSITIVE
RED
ECU
IGN/012
ST
AR
T RELA
Y
RL20-1
1
RL20-2
1
RL20
1
2
RED
STR
T R L Y
RED STRT RLY
X21 1 2 3 4 5 6 7 8 9 NC
POWER FUSE
30A
FC22 1 2
RED
ECM
BA
T/022
RED
ECM
BA
T/022
RED
ECM
BA
T/022 X27 1
X28
1
X29 1
FUSE
ST
AR
T SOL
80A
FC30-1
1
FC30-2
1
RED STRT PWR
RED STRT PWR
DIODE MOLDED
MS33
1
2
RED STRT RLY
X34 1 2 3
RED
AL
T
EXC
IP35
RED
AL
T
EXC
FUSE AL
T
PWR
150A
FC36-1
1
FC36-2
1
RED
AL
T
PWR
RED
AL
T
PWR
ECM
PWR
FUSE 30A
FC37
1
2
RED
ECU
IGN/012
RED
ECU
IGN/012
X40 1 2 3 4
S41
S42
RED
ECM
BA
T/022
RED
ECM
BA
T/022
RED
SP
ARE
IGN
-
RED
SP
ARE
BA
T
-
RED
ECM
PWR
- X43
1 RED STRT PWR - RED STRT PWR -
RED
STR
T SOL
-
RED STRT SOL -
X03
12 11 10 9 8 7 6 5 4 3 2 1
X04
1 2 3 4 5 6 7 8 9 10 11 12 N/C X01
RED
MOD
IGN
PWR
RED MOD IGN PWR
J1
(BLACK) J2
(GREY)
G 9-43A/G10-43A (ONLY) VARIABLE DISPLACEMENT PUMP SCHEMATIC
TRAN/BRK
PWR
SHIFT
PWR
1
KEY
ST
AR
T
SP
BA
T PWR
SP
ACCY
PWR
7
25
SP
BA
T PWR
TRANSMISSION SHIFTER
1 2 6 4 3 5 7 8
HOBBS
SHIFT
PWR
1
KEY START
KEY
ST
AR
T
87 87a 30 85 86 86 30 87a 87 85
3 4 5 2 1 1 3 4 2 5
F
R
SW1 F
R
SW2 N N
1
2
3
4 SW3
1
2
3
4
SW4
REVERSE
RELAY
WARN LIGHT
TEST RELAY
PLUGGED
TRANSMISSION SHIFTER
1 2 6 4 3 5 7 8
HOBBS F
R
SW1 F
R
SW2 N N
1
2
3
4 SW3
1
2
3
4 SW4
9 10 11 12
KEY
ST
AR
T
SHIFT
PWR
1
ACCY
.
MODULE
7
8
J1
(BLACK)
6
5
4
3
2 1
12
11
10 9
7
8
J2
(GREY)
6
5
4
3
2
1
12
11
10 9
KEY IGN
DCLUTCH IN
4 3 2 1
JLG ANALYZER
5 1 4 3 6 2 7 8
KEY
IGN
OPTIONAL FORK TILT ON
JOYSTICK W/ DE-CLUTCH TRIGGER
1 3 6 5 2 4
OPTIONAL
PROPORTIONAL AUX.
PADDLE
KEY
IGN
8
7
5
6
2
1
4
3
KEY IGN
DCLUTCH IN
9
10
11
12
NEUTRAL
SWITCH
ACCY
.
MODULE
7
8
J1
(BLACK)
6
5
4
3
2 1
12
11
10 9
7
8
J2
(GREY)
6
5
4
3
2
1
12
11
10 9
KEY IGN
DCLUTCH IN
4 3 2 1
JLG ANALYZER
5 1 4 3 6 2 7 8
KEY
IGN
OPTIONAL FORK TILT ON
JOYSTICK W/ DE-CLUTCH TRIGGER
1 3 6 5 2 4
OPTIONAL
PROPORTIONAL AUX.
PADDLE
KEY
IGN
8
7
5
6
2
1
4
3
9
10
11
12
NEUTRAL
SWITCH
DIAGNOSTIC
A/C
COMPRESSOR
M
(OPT)
TO POWER UNIT ASSEMBLY
+ -
OPT
P WR
1
KEY
IGN
GAGE
PWR
ECU
IGN/012
ECU
BA
T/022
OPT
P WR
2
STEER/SW
A Y P WR
ST
AB/TIL
T P WR
KEY
BA
T P WR
HORN
PWR
OPT
P WR
3
OPT
P WR
4
SP ACCY PWR
SP
BA
T P WR
KEY ACC
TRAN/BRK PWR
AUX RLYS PWR
ALT EXC
12 11 13 15 14 16 20 17 18 19 21 22 23 25 24 26 28 27 29
KEY
BA
T P WR
KEY
IGN
OPT
P WR
2
OPT
P WR
3
KEY
ACC
OPT
P WR
4
GAGE
PWR
STEER/SW
A Y PWR
HORN
PWR
TRAN/BRK
PWR
AUX
RL
YS
PWR
KEY
S T A R T
ST
RL
Y
ST
RL
Y
ECU
BA
T/022
ECU
IGN/012
9 10 1 2 6 4 3 5 7 9 8 10 12 11 14 13 15 19 17 16 18
KEY
ACC
OPT
P WR
1
SHIFT
P WR
1
30 31
KEY
S T A R T
SHIFT
P WR
1
TRAN/BRK
PWR
SP
BA
T P WR
SP
ACCY
PWR
SP
ACCY
PWR
SP
BA
T P WR
7 1 3 2 5 4 6 8 26 11 1 3 2 5 4 7 6 9 8 10 19 15 13 12 14 17 16 18 20 22 21 24 23 25 30 28 27 29 31
SP
BA
T P WR
BA
T P OS
BA
T P OS
ST
AB/TIL
T PWR
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
87 87a 30 86 85
IGNITION-2
BLACK-6
A C A
G 20
GRAY-2
E D C A B
10 10 15 H
CB2 F10 F1 1 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
CHASSIS HARNESS HD34-24-29PE
OPTIONS HARNESS
HD34-24-19SE
CHASSIS HARNESS
CAB CONTROL HARNESS
HD36-24-31ST
CHASSIS HARNESS
DASH PANEL HARNESS
HD36-24-31PT
CHASSIS HARNESS
POSITIVE CABLE
TO STARTER
AND ALTERNATOR
NEGATIVE CABLE
12 VDC
BATTERY POWER DIST
VEC
AL
T EXC
TO CHASSIS ASSEMBLY
1 3 2 4
OPTIONS VEC
OPT
PWR
1
OPT
PWR
4
OPT
PWR
3
OPT
PWR
2
85 87 86 87a 30 85 87 86 87a 30
BLACK-1
G H F D E C
87 87a 30 85 86
OPTION (15A)
E
GRAY-2
H A B G F D B C A
AUX ELEC2 87 87a 30 85 86
87a 30 87
OPTION (25A)
85 86
87 87a 30 86 85
AUX ELEC1
HEATER/BLOWER
LIGHTS
87 87a 30 85 86
WIPER
BCN/FAN
87 87a 30 85 86
BLUE-3
GREEN-4
OPTIONS HARNESS
HD36-24-19PE
SP
BA
T P WR
HORN
MAIN DASH PANEL
STONERIDGE GAUGE
6 5 4
1 3 2
TRANS TMP WRN
PARK BRAKE
ENG STOP
GAGE
PWR
HORN
PWR
STEER/SWAY PWR
ST
RL
Y
SHIFT
PWR
1
TRAN/BRK
PWR
STEER MODE
1 8 5 3 2 4 6 7
(RED,
18
GA
GXL)
(RED, 18 GA GXL)
(RED, 18 GA GXL)
WAIT TO START
ENG WARN
(RED, 18 GA GXL)
(RED, 18 GA GXL)
DCLUTCH
IN
1
2
3
4
5 6
7
1
2
3
4
5 6
7
2
3
HORN
MAIN DASH PANEL
STONERIDGE GAUGE
6 5 4
1 3 2
TRANS TMP WRN
PARK BRAKE
ENG STOP
GAGE
PWR
HORN
PWR
STEER/SWAY PWR
ST
RL
Y
SHIFT
PWR
1
TRAN/BRK
PWR
STEER MODE
1 8 5 3 2 4 6 7
(RED,
18
GA
GXL)
(RED, 18 GA GXL)
(RED, 18 GA GXL)
WAIT TO START
ENG WARN
(RED, 18 GA GXL)
(RED, 18 GA GXL)
DCLUTCH
IN
1
2
3
4
5 6
7
1
2
3
4
5 6
7
2
3
KEY
BA
T PWR
KEY
IGN
KEY
ACC
KEY
ST
AR
T
KEY/IGN
MY6400
CUMMINS