Isuzu N-Series. Manual - part 1118

8-184 CAB AND CHASSIS ELECTRICAL

H-5

J-65

P-1

(12 V)

P-2

P-1

(24 V)

P-4

P-2

(24 V)

P-3

P-5

(12 V)

No.

Connector Face

006-015

1

2

3

4

5

6

000-003

000-004

000-004

000-004

000-006

000-006

000-007

P-5

(24 V)

R-1

R-1

R-6

R-6

No.

Connector Face

000-002

006-004

1

2

3

4

5

6

006-005

3

2

1

6

5

4

006-004

1

2

3

4

5

6

006-005

3

2

1

6

5

4

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

CAB AND CHASSIS ELECTRICAL 8-185

H-6

Diagnosis

Quick Chart for Check Point

Notice:
Figure in parenthesis “( )” indicates the order of inspection.

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

Check point

Fuse

Light-

ing 

SW

Tail-
light 

bulb

Clear-

ance 

light bulb

License 

plate 

light bulb

Marker 

light 

relay

Cable 

har-

ness

Marker 

light 
bulb

F-7

(10 A)

F-25

(15 A)

Trouble
mode

1. Both clearance 
lights inoperative

❍

(1)

❍

(3)

❍

(2)

❍

(4)

2. Clearance light 
on the left (or right) 
side inoperative

❍

(1)

❍

(2)

3. Both taillights 
inoperative

❍

(1)

❍

(2)

❍

(3)

4. Taillight on the 
left (or right) side 
inoperative

❍

(1)

❍

(2)

5. License plate 
light inoperative

❍

(1)

❍

(2)

6. Marker light 
inoperative

❍

(2)

❍

(3)

❍

(4)

❍

(1)

8-186 CAB AND CHASSIS ELECTRICAL

1. Both Clearance Lights Inoperative

Notice:
Figure in parenthesis “( )” indicates place of inspection for clearance light on the right side.

2. Clearance Light on the Left (or Right) Side Inoperative

Notice:
Figure in parenthesis “( )” indicates place of inspection for clearance light on the right side.

•

ARE BOTH TAILLIGHTS OPERATIVE?

•

IS  B-7  SECURELY GROUNDED?

YES

NO

TURN TAILLIGHTS ON  (REFER TO TAILLIGHT
DIAGNOSIS IN THIS SECTION)

REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN CLEARANCE LIGHT
CONNECTOR TERMINALS 1  B-5  (1  B-74  ) AND  B-7

YES

•

TURN THE LIGHTING SWITCH TO 

OR 

POSITION

•

IS THERE BATTERY VOLTAGE APPLIED TO
CLEARANCE LIGHT CONNECTOR 4  B-5  (4  B-74  ) AND
GROUND?

YES

NO

NO

GROUND IT SECURELY

REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT BETWEEN
FUSE  F-7  (10A) AND 4  B-5  (4  B-74  )

N8A0160E

N8A5186E

CAB AND CHASSIS ELECTRICAL 8-187

3. Both Taillights Inoperative

N8A5187E