5 electrical system schematics, 1 cab schematic, Electrical system schematics – JLG G12-55A Service Manual User Manual

Page 149: Section 9.5, “electrical system, Schematics, Cab schematic, Electrical system, My7290

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9-7

G10-55A, G12-55A

Electrical System

9.5

ELECTRICAL SYSTEM SCHEMATICS

9.5.1

Cab Schematic

12

3

5

4

6

D1

D2

STEER MODE

1

2

3

4

5

6

7

STR AW

STR CRB

2

5

1

3

4

6

7

P

ARK BRAKE

DASH GND

STEER/SW

AY

P

W
R

PRK BRK SOL

TRAN/BRK PWR

DCLUTCH IN

ST RLY

SHIFT PWR 1

CAN TERMINATOR

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

CAB

TURNER SHIFTER

HOBBS

F

R

SW1

F

R

SW2

N

N

1

2

3

4

SW3

1

2

3

4

SW4

SHIFTER GND

REGEN FORCE SW

REGEN DIS LAMP

REGEN INH SW

PLUGGED

DPF SOOT LAMP

HEST LAMP

REGEN PWR

3

12

4

5

6

78

(OPT

TL6/9 MACHINES)

T

O

REGEN HARNESS

KEY

ST
AR

T

CAB CONTROL

HARNESS

1001

140233

12

6

4

3

5

78

9
1

0

11

1

2

PLUGGED

TRANS SOL

TRANS SOL Y6

TRANS SOL Y3

REVERSE SOL

PRK BRK SOL

TRANS SOL Y5

TRANS SOL Y1

PLUGGED

SHIFT PWR 1

KEY SW SIG

PLUGGED

F

R

SW1

F

R

SW2

N

N

1

2

3

4

SW3

1

2

3

4

SW4

C

AB

DE

F

87

87a

30

85

86

86

30

87a

87

85

3

4

5

2

1

1

3

4

2

5

HOBBS

ZF SHIFTER

THROTTLE

WILLIAMS

REVERSE

RELA

Y

W
ARN LIGHT

TEST

RELA

Y

KEY START

TRAN/BRK PWR

REVERSE

TRANS TMP SW

REVERSE SOL

PLUGGED

SHIFTER GND

SHIFTER GND

SHIFTER GND

PLUGGED

THR SUP/911

THR SGN/915

THR RTN/914

IVS

ON-IDLE

IVR

12

TURNS

PER FOOT

TWIST

12

6

4

35

78

PRK BRK SOL

TRANS SOL Y3

TRANS SOL

TRANS SOL Y5

REVERSE SOL

SHIFT PWR 1

KEY SW SIG

TRANS SOL Y1

SEE

SHEET

2

SP

BA
T

PWR

SP

ACCY

PWR

AC CLUTCH

SHIFTER GND

TRANSMISSION LEGEND ZF

GEAR

ACTIVATED TRANS SOLENOIDS

F1

Y1,Y3,Y4,Y6

F2

Y1,Y3,Y5,Y6

F3

Y1,Y3,Y6

F4

Y1,Y6

R1

Y2,Y3,Y4,Y6

R2

Y2,Y3,Y5,Y6

R3

Y2,Y3,Y6

R4

Y2,Y6

N1

Y6 (ONLY IF PARK BRAKE OFF)

N2

Y6 (ONLY IF PARK BRAKE OFF)

N3

Y6 (ONLY IF PARK BRAKE OFF)

N4

Y6 (ONLY IF PARK BRAKE OFF)

YEL

RED

TIL

T

TIL

T

UP

DOWN

1

2

TIL

T

SPEED

ST
ANDARD

JOYSTICK

TL6 ONL

Y

RED

BLK

GRY

BLU

PLUG

PLUG

STAB/TILT PWR

STD JOY PWR

TILT UP

TILT DN

STD JOY PWR
STD JOY PWR

PLUGGED
PLUGGED

STAB/TILT PWR

TILT UP
TILT DN

SHIFTER GND

SHIFTER

HARNESS

DT06-4S

TO

TIL

T

ON

JOYSTICK

ROLLER

OPTION

12

3

4

26

11

1

2

3

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

T

O

CONNECT

OR 2

TRAN/BRK PWR
REVERSE

TRANS SOL Y1
TRANS SOL Y3

REVERSE SOL

TRANS SOL

TRANS SOL Y5

THR SUP/911

THR SGN/915
THR RTN/914

AC CLUTCH

PRK BRK SOL

SHIFT PWR 1

SHIFTER GND

KEY SW SIG

SP BAT PWR

SP ACCY PWR

IVR

ON-IDLE

IVS

REGEN PWR

TILT DN

TRANS TMP SW

TILT UP

TRANS SOL Y6

STAB/TILT PWR

REGEN DIS LAMP
DPF SOOT LAMP
HEST LAMP

REGEN FORCE SW
REGEN INH SW

GND

KEY IGN

BAT PWR

7

6

5

9

8

4

12

11

1

10

3

2

4X3 BUSS

(OPT)

CLEARSKY

HARNESS

TRAN/BRK PWR (1

1)

SHIFTER GND (12)

SP

BA
T

P

WR (16)

GND

KEY IGN

BAT PWR

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

TCU CLEARSKY

7

11

12

9

10

8

3

5

6

4

1

2

JUMPER

JUMPER2

JUMPER

JUMPER2

DCLUTCH IN

KEY

IGN

TIL

T

UP

TIL

T

DN

DCLUTCH

AUX

A

AUX B

ACC MOD GND

PRK BRK SOL

GND F

AUL

T

PLUGGED

PLUGGED

(CAN H/904)

(CAN L/905)

SHIELD (CAN)

SHIELDED

CABLE

12

11

13

15

14

16

20

21

22

23

31

9

10

30

29

7

1

3

2

5

4

6

8

DASH P

ANEL

HARNESS

25

26

27

18

19

24

17

T

O

CONNECT

OR 1

28

STEER/SWAY PWR

WAIT TO START LT

KEY BAT PWR

KEY IGN

KEY ACC

GAGE PWR

HORN PWR

KEY START

DASH GND

STR CRB

STR AW

HORN

TRANS TMP SW

PRK BRK SOL

FUL LVL

ST RLY

ENG WARN LT

ENG STOP LT

SHIFT PWR 1

TRAN/BRK PWR

SHIELD (CAN)
CAN L
CAN H

TILT UP
TILT DN
DCLUTCH
AUX A
AUX B
ACC MOD GND

GND FAULT

ECM IGN

KEY/IGN

SWITCH

A

B

C

A

B

C

C

B

A

(CAN H/904, YELLOW)

(CAN L/905,GREEN)

SHIELD (CAN)

120 OHM

HORN PWR

HORN

DASH GND

GAGE PWR

FUL LVL

TRANS TMP SW

ENG STOP LT

ENG WARN LT

WAIT TO START LT

ECM IGN

1

8

5

3

2

4

6
7

HORN

2

3

(D BLU, 18 GA GXL)

(RED, 18 GA GXL)
(ORG, 18 GA GXL)

(D BLU, 18 GA GXL)

(BLK, 18 GA GXL)

(ORG, 18 GA GXL)
(WHT, 18 GA GXL)
(ORG, 18 GA GXL)

(CAN H/904,

YELLOW)

(CAN L/905, GREEN)

SHIELD (CAN)

6
5

4

1

3
2

MAIN DASH P

ANEL

ST
ONERIDGE

GAUGE

(RED, 18 GA

GXL)

(RED, 18 GA

GXL)

(RED, 18 GA

GXL)

(RED, 18 GA

GXL)

TRANS

TMP

WRN

ENG ST

OP

W

A

IT
T

O

ST

AR

T

ENG W

ARN

MY7290

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