Isuzu N-Series. Manual - part 989

CAB AND CHASSIS ELECTRICAL 8-61

Connector List 

For 12 Volt

No.

Connector Face

X-11

B-67

B-67

E-17

E-18

E-18 

(4JH1)

H-14

H-14

005-001

1

3

2

4

5

004-001

1

2

3

4

004-002

2
4

1
3

001-001

1

004-003

2

1

4

3

002-003

1

2

016-001

1

2

3

4

5

6

7

8

9

10 11 12

13 14 15 16

016-002

4

3

2

1

8

7

6

5

12 11 10

9

16 15 14 13

X-21

E-17 

(4JH1)

J-26

P-6

J-27

P-1

P-4

P-2

No.

Connector Face

005-003

1

2

3

5

4

000-002

000-002

000-002

001-002

1

000-004

000-004

000-006

8-62 CAB AND CHASSIS ELECTRICAL

H-5

H-6, H-7, H-8

P-3 

(4JH1)

P-5

No.

Connector Face

000-006

000-007

1

2

3

7

8

9

13

14 15

19

20 21

25

26 27

31

32 33

34

35

36

37

4

5

6

10

11 12

16

17 18

22

23 24

28

29 30

38

39 40

6

5

4

12

11 10

18

17 16

24

23 22

30

29 28

40

39 38

3

2

1

9

8

7

15

14 13

21

20 19

27

26 25

33

32 31

34

35

36

37

N8A5488E

1

2

1

2

1 2 3 4

5 6 7 8

9 10 11 12 13

14 15 16 17 18

2

1

2

1

4 3 2 1

8 7 6 5

13 12 11 10 9

18 17 16 15 14

H - 6

H - 7

H - 8

N8A5489E

CAB AND CHASSIS ELECTRICAL 8-63

Circuit Diagram 

4H Type Engine & 24 Volt (Except 4HK1 Engine)

X-1

X-1

H-5

X-1

X-1

J-1

J-2

B-67

H-7

B

ST

ACC

ON

J-26

B-67

B-67

H-8

X-21

X-21

X-21

X-21

J-9

P-1

P-2

P-3

P-4

P-5

1

2

3

4

3

4

5

2

15

1

1

14

2

4

3

1

1

5

J-1

2

30B

8B

3W/B

3B/W

3W/B(NPR70)

3B/Y

3W/B

3B/Y

2B

0.5B

0.5B/W

5W

0.5W/R

0.5W/L

0.5W/R

0.5B/W

FRAME

FL-1  100A or 120A

MAIN

FL-2  40A

KEY SW

FL-8  60A

STARTER

STARTER SW

F-22 10A

STARTER

RELAY; STARTER

STARTER

FRAME-LH (CENTER)

B

L

GENERATOR

RELAY; HEATER 

& A/C (2)

RELAY; CHARGE

0.85W/L

B

C

3W(NPR66/71)

P-6

QOS II
CONTROL UNIT (4)

METER

J-27

F-16  10A

RELAY; EXHAUST

BRAKE(2)

CHARGE WARNING 

LIGHT B-52 (3)

3W/B

0.85W/L

0.5B

0.5B/W

2L

FUSE BLOCK

N8A0070E

8-64 CAB AND CHASSIS ELECTRICAL

4HK1 Engine

X-1

X-1

H-5

X-1

X-1

J-1

J-2

B-67

H-7

B

ST

ACC

ON

J-26

B-67

B-67

H-8

X-21

X-21

X-21

X-21

P-1

P-2

P-3

P-4

P-5

1

2

3

4

4

3

1

5

15

1

1

14

3

4

2

1

1

5

J-1

2

30B

2B

0.5B

8B

3W/L

3B/W

3W/B

3B/Y

0.5B/Y

3W/L

3B/Y

0.3B/W

8W/B

1.25W/L

0.5W/R

0.5W/L

0.3B/W

FRAME

FL-1  100A or 120A

MAIN

FL-2  40A

KEY SW

FL-8  60A

STARTER

STARTER SW

F-22 10A

STARTER

RELAY; STARTER

X-26

X-26

X-26

X-26

4

3

1

5

RELAY;

STARTER

CUT

STARTER

FRAME-LH

(CENTER)

B

L

GENERATOR

RELAY; CHARGE

0.85W/L

B

C

P-6

QOS II
CONTROL UNIT (4)

METER

J-27

F-16  10A

RELAY;

HEATER

& A/C (2)

CHARGE WARNING 

LIGHT B-52 (3)

3W/L

0.5W/L

0.5R/W

0.85LG

0.5LG

0.5R

2L

FUSE BLOCK

J-9

ECM MAIN

RELAY

ECM

F-28  10A

ECM

N8A0521E