JLG G12-55A Service Manual - Manual (Page 154)

Electrical System
9-12 G10-55A, G12-55A
9.5.3 Cab Schematic - Cummins
TRANSMISSION
LEGEND
TURNER
GEAR
ACTIV
A TED
TRANS
SOLENOIDS
F1
E5,
E1
F2
E5,
E2
F3
E5,
E3
F4
E6,
E3
R1
E4,
E1
R2
E4,
E2
R3
E4,
E3
N
NO
SOLENOIDS
INGAUGED
Y6
(ONL
Y
IF
PA
R K BRAKE
OFF)
N1 N3 N4 N2
Y6
(ONL
Y
IF
PA
R K BRAKE
OFF)
Y6
(ONL
Y
IF
PA
R K BRAKE
OFF)
Y6
(ONL
Y
IF
PA
R K BRAKE
OFF)
R4 R3 R2 R1 F4 F3 F2 F1 GEAR
Y2,
Y3,
Y4,
Y6
Y2,
Y3,
Y5,
Y6
Y2,
Y3,
Y6
Y2,
Y6
Y1,
Y6
Y1,
Y3,
Y6
Y1,
Y3,
Y5,
Y6
Y1,
Y3,
Y4,
Y6
TRANSMISSION
LEGEND
ZF
ACTIV
A TED
TRANS
SOLENOIDS
SEE SHEET
2
TO
CHASSIS
ASSEMBL
Y
12
1 1
13
15
14
16
20
17
18
19
21
22
23
25
24
26
28
27
29
KEYBA TPWR
KEYIGN
KEYACC
GAGEPWR
STEER/SWA YPWR
HORNPWR
TRAN/BRKPWR
KEYST ART
DASHGND
REVERSE
STRCRB
STRA W
HORN
TRANSTMP SW
TRANSSOL Y1
REVERSESOL
TRANSSOL Y3
TRANSSOL
TRANSSOL Y5
PKBRK SOL
FULL VL
STRL Y
WAIT TO STAR TL T
ENGW ARNLT
ENGST OPL T
THRSUP/91 1
THRSGN/915
THRR TN/914
SP-1
SP-2
SP-3
91
0
ACCLUTCH
SHIFTPWR 2
SHIFTPWR 1
SHIFTERGND
30
31
KEYST ART
SHIFTPWR 1
TRAN/BRKPWR
SPBA TPWR
SPACCY PWR
SPCAB GND1
7
1
3
2
5
4
6
8
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
YEL(CAN H)
GRN(CAN L)
BRN/BLK(CAN SHIELD)
26
11
13
2
5
4
7
6
9
81
0
19
15
13
12
14
17
16
18
20
22
21
24
23
25
30
28
27
29
31
SPCAB GND2
IVR
ON-IDLE
IVS
SPBA TPWR
TILT DN
TRANSTMP SW
HORN
2 3
ON OFF
MAIN
DASH
P ANEL
ST
ONERIDGE
GAUGE
6
5
4 1
3
2
TRANS
TMP
WRN
3
ON
6
P ARK
BRAKE
2 1
OFF
5 4 7
I
KEY/IGN
B S
A
ENG
ST
OP
DASHGND
PK
BRK
SOL
DASHGND
GAGEPWR
HORNPWR
STEER/SWA YPWR
STRA W
STRCRB
HORN
FULL VL
TRANSTMP SW
ENGST OPL T
STRL Y
SHIFTPWR 1
PKBRK SOL
TRAN/BRKPWR
TRANSMISSION
SHIFTER
ZF
12
6
4
35
78
THROTTLE
SP
BA
T
PWR
SP
ACCY
PWR
SP-1 SP-3 SP-2
SP
CAB
GND
1
AC
CLUTCH
SP
CAB
GND
2
C
AB
D
E
F
WILLIAMS
HOBBS
THRSUP/91 1
THRSGN/915
THRR TN/914
SHIFTPWR 2
TRANSSOL Y3
TRANSSOL
TRANSSOL
Y5
REVERSESOL
SHIFTPWR 1
KEYST ART
KEYST ART
TRAN/BRKPWR
REVERSE
TRANSTMP SW
IVS
ON-IDLE
IVR
TILT UP
STAB/TIL TPWR
12
TURNS
PER
FOOT
TWIST
(SUSPENDED)
KEYBA TPWR
KEYIGN
KEYACC
KEYST ART
CRAB ALL
WHL
STEER
MODE
2 3 1
6 5 4 7
DASH
GND
87
87a
30
85
86
86
30
87a
87
85
1
8
5
3
2
4
6
7
(DBLU, 18GA GXL)
(RED,18 GAGXL)
(ORG,18 GAGXL)
(DBLU, 18GA GXL)
(BLK,18 GAGXL)
(RED,
18
GA
GXL)
(RED,
18
GA
GXL)
REVERSESOL
PLUGGED
SHIFTERGND
SHIFTERGND
SHIFTERGND
PLUGGED
3
4
5
2
1
1
3
4
2
5
YEL
RED
TIL
T
TIL
T
UP
DOWN
12
3
5
46
RED
BLK
GRY
BLU
PLUG
PLUG
12
3
4
STAB/TIL TPWR
STAB/TIL TPWR
TILT UP
TILT DN
TILT UP
TILT DN
SHIFTERGND
STDJOY PWR
STDJOY PWR
STDJOY PWR
PLUGGED
PLUGGED
F R
SW1
F R
SW2
N
N
1 2 3 4
SW3
1 2 3 4
SW4
TRANSSOL Y1
TRANSSOL Y6 REVERSE RELA
Y
W
ARN
LIGHT
TEST
RELA
Y
TIL
T
SPEED
ST
ANDARD
JOYSTICK
DASH
P ANEL
HARNESS
SHIFTER
HARNESS
SHIFTER
HARNESS
DT06-4S TO
T IL T O
N
JOYSTICK
ROLLER
OPTION
WA
IT
T O
ST
AR
T
ENG
WA
R N
(RED,
18
GA
GXL)
YEL
(CAN
H/904)
GRN
(CAN
L/905)
BRN/BLK
(SHIELD/020)
A B C
120
OHM
CAN
TERMINA
T OR
SHIELDED
CABLE
PLUGGED
(ORG,18 GAGXL) ENGWA RN LT
WAIT TO STAR TL T
(RED,
18
GA
GXL)
(WHT ,18 GAGXL)
(CAN
H/904,
YELLOW)
(CAN
L/905,GREEN) (SHIELD/020)
A B C A B C
(CAN
H/904,
YELLOW)
(CAN
L/905,
GREEN)
(SHIELD/020)
1
2
TRANSMISSION
SHIFTER
TURNER
12
6
4
357
8
HOBBS
F R
SW1
F R
SW2
N
N
1 2 3 4
SW3
1 2 3 4
SW4
9
10
11
12
TRANSSOL Y5
TRANSSOL
TRANSSOL Y6
TRANSSOL Y3
PLUGGED
SHIFTPWR 2
REVERSESOL
TRANSSOL Y1
KEYST ART
SHIFTPWR 1
PLUGGED
PLUGGED
MY4570A