Isuzu N-Series. Manual - part 1158

8-344 CAB AND CHASSIS ELECTRICAL

Parts Location 

For 12 Volt

H-5, H-6, H-8

B-339 A/C ON

SIGNAL RESISTOR

RELAY BOX ASM

FL-1 FUSIBLE LINK

X-24 A/C COMPRESSOR RELAY

X-26 A/C SIGNAL RELAY

B-234 ECM

N8A5605E

CAB AND CHASSIS ELECTRICAL 8-345

For 24 Volt

B-18 DIODE

X-33 DIODE

FL-1 FUSIBLE LINK

F-26 FUSE

X-27 CONDENSER FAN RELAY

J-191

N8A5606E

8-346 CAB AND CHASSIS ELECTRICAL

Circuit Diagram

For 12 Volt - Except 4JH1

X-12

X-12

X-12

X-12

B-14

B-14

B-39

B-39

B-39

B-18

B-18

B-15

B-15

X-10

X-10

X-10

X-10

J-6

J-6

H-14

E-5

H-5

B-13

B-42

B-13

B-13

B-13

B-42

B-42

B-42

B-42

H-6

B-15

J-57

J-58

B-1

B-7

J-9

21

2

5

4

1

5

24

2

4

3

1

2

3

31

2

3

6

5

4

2

4

2

3

1

2

1

1

1

7

1

12

30B/R

8B

8.0W/B

0.5W/R

3L

0.85BR

0.5B

2L/B

0.85BR

1.25LG/B

0.5LG

1.25L

0.85G/W

0.85G/W

0.85G/O

0.85G/O

0.5G/O

0.5G/Y

0.5G/Y

2L/B

1.25L/O

0.85L/Y

2.0B

B-42

1

2B

2B

0.5P/G

2L

0.5B

2B

3B

3B

5B

2B

5.0W/B

3W/B

0.5G/O (69)

P-5

FRAME

FL-1  100A

RELAY;

HEATER & A/C

RELAY; CHARGE (1)

FL-25

30A

F-1   10A

BLOWER

MOTOR

DIODE

PRESSURE

SWITCH

4

1

3

2

FAN SWITCH

BLOWER RESISTOR

ELECTRONIC THERMOSTAT

A/C SWITCH

MAGNETIC CLUTCH

(COMPRESSOR)

RELAY;

A/C THERMO

HEADLIGHT BRACKET (LH)

FRAME-LH (FRONT)

MAIN

AIR CON

HEATER

FRAME-LH (CENTER)

0.85G/O (55)

VSV FICD

2L

P-1

P-2

1

2

0.5B

0.5G/O

VSV FICD

(4JB1-T/C ENGINE ONLY)

(EXCEPT 4JB1-T/C)

N8A5594E

CAB AND CHASSIS ELECTRICAL 8-347

For 12 Volt - 4JH1 Engine

X-12

X-12

X-12

X-12

B-14

B-14

B-39

B-39

B-39

B-18

B-18

B-15

B-15

X-10

X-10

X-10

X-10

H-5

B-13

B-42

B-13

B-13

B-13

B-42

B-42

B-42

B-42

H-6

B-15

B-1

B-7

J-9

21

2

5

4

1

5

24

2

4

3

1

2

3

31

2

3

6

5

4

2

4

2

3

1

2

1

3

30B/R

8B

8.0W/B

0.5W/R

3L

0.85BR

0.5B

2L/B

0.85BR

1.25LG/B

0.5LG

1.25L

0.85G/W

0.85G/W

0.5L/R

0.85G/O

0.5G/Y

0.5G/Y

0.5B

0.85B

2L/B

1.25L/O

0.85L/Y

2.0B

B-42

1

2B

2B

0.5P/G

2L

0.5B

0.5G/Y

2B

3B

3B

5B

2B

5.0W/B

3W/B

P-5

FRAME

FL-1  100A

RELAY;

HEATER & A/C

RELAY; CHARGE (1)

FL-25

30A

F-1   10A

BLOWER

MOTOR

DIODE

PRESSURE

SWITCH

RELAY;

GLOW (4)

RELAY;

A/C SIGNAL

RELAY;

A/C COMPRESSOR

4

1

3

2

FAN SWITCH

BLOWER RESISTOR

ELECTRONIC THERMOSTAT

A/C SWITCH

RELAY;

A/C THERMO

HEADLIGHT BRACKET (LH)

FRAME-LH (FRONT)

MAIN

AIR CON

HEATER

FRAME-LH (CENTER)

2L

P-1

P-2

X-26

2

X-26

5

X-26

1

X-26

3

X-24

2

X-24

5

X-24

1

X-24

1

J-6

2

J-6

H-14

E-5

1

1

MAGNETIC

CLUTCH

(COMPRESSOR)

0.85G/Y

0.85G/Y

H-8

B-234

15

41

0.5W/G

0.85G/O

0.5L/R

0.5W/G

H-8

B-234

ECM

16

23

0.5G/Y

0.5G/Y

A/C ON

SIGNAL RESISTOR

B-339

1

2

B-339

P-3

P-4

N8A5597E