Isuzu Trooper (1998-2002 year). Manual — part 899

8D–130

WIRING SYSTEM

A

C-24

FOG

LIGHT

-LH

HEAD-

LIGHT

-LH

LIGHTING

SW

DIMMER/

P

ASSING

SW

1.25

V

1.25

V

0.5

B

0.5

B

FOG

LIGHT

-RH

HIGH

BEAM

INIDI-

CA

T

O

R

(METER)

1

2

C-29

0.5

V/R

0.3

V/R

0.5

V/R

0.5

B

1.25

B

LOW

HIGH

P

ASS

H-15

10

15

B-12

14

1

2

C-24

C-29

5

C-16

FENDER-LH

1

C-39

4

C-39

4

C-39

8

C-39

10

4

H-16

B

C

G

0.85

Y

0.85

Y

0.85

R/Y

0.85

R/Y

(4JG2)

(4JG2)

(4JG2)

(4JG2)

0.85

B

0.85

B

0.85

B

0.85

B

FENDER-RH

FENDER-RH

FENDER-RH

BODY

-LH

0.5

B

0.5

B

3

C-21

H-41

C-21

1

2

B-12

16

B-12

7

B-19

1

B-12

B-12

C-21

H-41

16

13

H-41

HEAD-

LIGHT

-RH

7

C-39

D

E

F

0.85

R/G

0.85

R/L

0.5

R

0.85

B

3

C-32

C-32

1

2

C-32

H-41

14

12

H-41

11

0.5

R/Y

0.85

R/Y

0.85

R/L

15

I-10

I-10

H-16

14

3

H-41

1.25

R

D08RY00424

Circuit Diagram (LHD)-2

WIRING SYSTEM

8D–131

Parts Location (LHD)

Legend

(1) I-10
(2) B-12
(3) I-5
(4) H-26
(5) B-19
(6) C-16
(7) C-21

(8) C-24
(9) C-29

(10) H-41, H-42
(11) C-32
(12) Relay and Fuse Box (X-1, X-3, X-23)
(13) C-39
(14) H-12, H-15, H-16

2

3

4

5

6

7

8

9

10

11

12

14

13

1

D08RW806

8D–132

WIRING SYSTEM

Diagnosis

Quick Chart for Check Points

1. Headlight (RHD)

Check point

Trouble mode

Fuse

F–4

(15A)

F–5

(15A)

Lighting

relay

Lighting

SW

Dimmer•

Passing

SW

Cable

harness

Headlight

bulb

1–1. Both Headlights inoperative

1–2. Headlight on the left (or
right) side inoperative

1–3. Both headlights in
low-beam inoperative

1–4. Headlight low-beam on
the left (or right) side
inoperative

1–5. Both headlights in
high–beam inoperative

1–6. Headlight high-beam on the
left (or right) side
inoperative

1–7. Headlight beam does not
change

LH

RH

1–8. Headlights remain on when
the lighting SW is turned off

1–9. Headlights come on with
the lighting SW at the
clearance light position

1–10. Passing lights inoperative

WIRING SYSTEM

8D–133

Check point

Trouble mode

Fuse

F–4

(10A)

F–5

(10A)

Dimmer

relay

Lighting

SW

Dimmer•

Passing

SW

Cable

harness

Headlight

bulb

2–1. Both Headlights
inoperative

2–2. Headlight on the
left (or right) side
inoperative

2–3. Both headlights
in low-beam
inoperative

2–4. Headlight low-
beam on the left
(or right)
side inoperative

2–5. Both headlights
in high-beam
inoperative

2–6. Headlight
high-beam on
the left (or right)
side inoperative

2–7. Headlight beam
does not change

Lighting

relay

F–6

(10A)

F–7

(10A)

2–8. Headlights
remain
on when the
lighting SW is
turned off

2–9. Headlights come
on with the
lighting SW at
the clearance
light position

Diode

2–10. Passing lights
inoperative

LH

RH

2. Headlight (LHD)