Isuzu N-Series. Manual - part 988

CAB AND CHASSIS ELECTRICAL 8-57

Circuit Diagram

For 4JB1, 4JB1-TC, 4JG2 Engine & 12 Volt

X-21

X-21

X-21

X-21

J-26

J-27

H-7

B

ST

ACC

ON

B-67

B-67

B-67

H-14

H-14

X-11

X-11

X-11

H-5

X-14

H-5

X-11

E-17

E-18

E-18

E-18

B-7

J-9

P-1

P-2

P-5

1

1

12

3

2

4

5

3

4

8

1

3

4

5

2

11

15

10

1

2

3

1

30B

8B

3B/W

3W/B

3B/Y

3B/Y

0.3B/W

0.85W

0.3B

0.3B

0.3B

0.5W/R

0.5W/R

0.5W/R

0.5W/R

1.25B

3B

0.85W/L

3W

0.85W

8 W

2B

0.5B

0.5B/W

FRAME

STARTER

FL-1  100A

MAIN

FL-2  50A

KEY SW

FL-8  60A

STARTER

STARTER SW

F-21  15A

GENERATOR

RELAY; CHARGE

RELAY; EXHAUST

RELAY; HEATER

& A/C(2)

BRAKE(2)

CHARGE WARNING 

LIGHT  B-52  (3)(METER)

QOS III CONTROL

UNIT (6)

GENERATOR

IG

S

L

B

HEADLIGHT

BRACKET (LH)

RELAY; STARTER

F-22
STARTER

10A

QOS III CONTROL UNIT(11)
QOS II CONTROL UNIT (4)

B

C

P-6

E-72

0.85W

0.5W/L

B-1

5B

FRAME-LH

(FRONT)

FRAME-LH

(CENTER)

H-8

14

0.5B/W

2L

2L

3W/B

FUSE BLOCK

N8A0067E

8-58 CAB AND CHASSIS ELECTRICAL

For 4HG1-T Engine & 12 Volt

X-21

X-21

X-21

X-21

J-26

J-27

H-7

B

ST

ACC

ON

B-67

B-67

B-67

H-14

H-14

X-11

X-11

H-5

X-11

H-5

X-11

E-17

E-18

E-18

E-18

J-9

P-1

P-2

P-5

1

1

12

3

2

4

5

3

4

8

3

4

5

2

11

15

10

1

2

3

1

30B

8B

3B/W

3W/B

3B/Y

3B/Y

0.3B/W

0.5B/Y

0.5B/Y

0.5B/Y

0.5W/R

0.5W/R

0.5W/R

0.5W/R

0.85W/L

3W

0.85W

8W

2B

0.5B

0.5B/W

FRAME

STARTER

FL-1  100A

MAIN

FL-2  50A

KEY SW

FL-8  60A

STARTER

STARTER SW

F-16  10A

METER

RELAY; CHARGE

RELAY; EXHAUST

RELAY; HEATER

& A/C(2)

BRAKE(2)

CHARGE WARNING 

LIGHT  B-52  (3)(METER)

QOS III CONTROL

UNIT (6)

GENERATOR

IG

S

L

B

RELAY; STARTER

F-22
STARTER

10A

QOS III CONTROL UNIT(11)
QOS II CONTROL UNIT (4)

B

C

P-6

E-72

0.85W

FRAME-LH

(CENTER)

H-8

14

0.5B/W

2L

2L

3W/B

FUSE BLOCK

N8A0068E

CAB AND CHASSIS ELECTRICAL 8-59

For 4JH1 Engine & 12 Volt

X-21

X-21

X-21

X-21

J-26

J-27

H-7

ST

ACC

ON

B-67

B-67

B-67

H-14

X-11

X-11

X-11

H-5

X-11

E-18

E-18

J-9

P-1

P-2

P-3

P-4

P-5

12

15

10

30B

8B

3B/W

3W/B

3W/B

3B/Y

3B/Y

0.3B/W

0.5B/Y

0.5B/Y

0.5W/R

0.5W/R

0.85W/L

3W

8W

2B

0.5B

0.5B/W

FRAME

(12V)

STARTER

FL-1  100A

MAIN

FL-2  50A

KEY SW

STARTER SW

F-16  10A

METER

RELAY; CHARGE

METER

RELAY; FUEL

RELAY; HEATER

& A/C(2)

HEATER(2)

GENERATOR

RELAY; STARTER

F-22
STARTER

10A

P-6

E-72

0.85W/L

0.85W/L

0.5W/R

E-17

FRAME-LH

(CENTER)

H-8

14

4

3

4

2

5

3

0.5B/W

2L

2L

FL-8  60A

STARTER

FUSE BLOCK

1

2

2

4

3

5

1

1

N8A0069E

8-60 CAB AND CHASSIS ELECTRICAL

For 4JH1 Engine, NKR77 for Taiwan

X-21

X-21

X-21

X-21

J-26

J-27

H-7

B

ST

ACC

ON

B-67

B-67

B-67

H-14

X-11

X-11

X-11

H-5

X-11

E-17

E-18

E-18

J-9

P-1

P-2

P-5

1

1

12

3

2

4

5

3

4

3

4

5

2

15

10

1

2

1

30B

8B

3B/W

8W

3W/B

3B/Y

3B/Y

0.5B/Y

0.5W/L

0.5W/R

0.85W/L

8W/B

8W/B

3W/L

2B

0.5B

0.5B/W

FRAME

STARTER

FL-1  100A

MAIN

FL-2  50A

KEY SW

FL-8  60A

STARTER

STARTER SW

F-16  10A

METER

RELAY; CHARGE

RELAY; HEATER

& A/C(2)

CHARGE WARNING 

LIGHT  B-52  (3)(METER)

GENERATOR

S

L

B

RELAY; STARTER

F-22
STARTER

10A

B

C

P-6

E-72

0.85W/L

0.5W/L

FRAME-LH

(CENTER)

H-8

14

0.5B/W

2L

2L

3W/B

FUSE BLOCK

N8A0379E