1998 ISUZU TROOPER bulb

8A–28LIGHTING SYSTEM
Main Data and Specifications
Light and Bulb Specifications
D08RW539
Legend
(1) Dome Light
(2) Luggage Room Light
(3) Courtesy Light
(4) Side Turn Signal Light
(5) Front Turn Signal Light
(6) Clearance Light
(7) Front Combination Light
(8) Headlight
(9) Fog Light(10) Meter
(11) Map Light
(12) High Mount Step Light
(13) License Plate Light
(14) Rear combination Light
(15) Taillight/Stoplight
(16) Rear Fog Light
(17) Backup Light
(18) Rear Turn Signal Light.

LIGHTING SYSTEM8A–29
Light NameRated PowerNumber of
BulbsLens ColorRemarks
Headlight60w/55w2WhiteHalogen
FrontTurn signal light21w2Whitecombination
lightClearance light5w2Amber
FRT fog light55w2WhiteHalogen
Taillight/Stoplight5w/21w2Red
RearBumperTurn signal light21w2Ambercombination
lightTaillight/Stoplight5w/21w2RedBodyTurn signal light21w2Amber
Backup light21w2White
RR fog light21w2Red
Side turn signal light5w2Amber
License plate lightBumper5w2White
Body5W1White
High mount stoplight——RedLED
Map light5w2White
Dome light10w1White
Luggage room light8w1White
Courtesy light3.8w2White
A/C SW60mA1
RR defogger SW0.84w1
Mirror defogger SW0.84w1
FRT fog light SW0.7w1
RR fog light SW0.7w1
Cruise (Set)1.4w1Meter
Cruise (Main)1.4w1Meter
Check trans3w1Meter
Anti-theft3w1Warning box
Turn signal1.4w2Meter
Golw1.4w1Meter
Water sedimenter1.4w1Meter
Indicator/High beam1.4w1MeterWarning
lightABS1.4w1Meter
Check engine1.4w1Meter
Low fuel1.4w1Meter
4WD1.4w1Meter
Oil Pressure1.4w1Meter
Brake system1.4w1Meter
Charge1.4w1Meter
Seat belt2w1Meter
A/T shift position0.91w7Meter
A/T oil temp3w1Meter

8DÐ10 WIRING SYSTEM
Symbols and Abbreviations
Symbols
Symbol Meaning of Symbol
Fuse
Fusible link
Fusible link wire
Switch
Switch
Contact wiring
Battery
Diode
Electronic parts
Resistor
Speaker
Buzzer
Circuit breakerSymbol Meaning of Symbol
Bulb
Double filament bulb
Motor
Variable register
Rheostat
Coil (inductor), solenoid,
magnetic valve
Relay
Connector
Light emitting diode
Reed switch
Condenser
Horn
Vacuum switching valve
+
–
Switch
(Normal close type)
M

8DÐ134 WIRING SYSTEM
Diagnosis
Quick Chart for Check Points
1. Headlight (RHD)
Check point
Trouble modeFuse
F–4
(15A)F–5
(15A)Lighting
relayLighting
SWDimmer•
Passing
SWCable
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 8DÐ135
Check point
Trouble modeFuse
F–4
(10A)F–5
(10A)Dimmer
relayLighting
SWDimmer•
Passing
SWCable
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
relayF–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)

8DÐ136 WIRING SYSTEM
Check point
Trouble modeFuse
F–8
(15A or 20A)Cable
harness Fog light
bulb
3–1. Both FRT fog lights
inoperative
(while the clearance light is ON)
3–2. FRT fog light on the left
(or rigth) side inoperative
(while the clearance light is ON)
LHRH
FRT
fog light
SWFRT
fog light
relayRR
fog light
SWRR
fog light
relay
3. FRT fog lights

8DÐ138 WIRING SYSTEM
1-2. Headlight On The Left (Or Right) Side Inoperative
1-3. Both Headlights In Low-Beam Inoperative
YES
·IS THE HEADLIGHT BULB ON THE LEFT (OR RIGHT)
SIDE NORMAL?
YES
REPLACE THE FUSE
NO
·IS THE FUSE F-4 (15A) (OR F-5 (15A)) NORMAL?
REPAIR A POOR CONNECTION AT THE CONNECTORS OR AN
OPEN CIRCUIT BETWEEN
FUSE F-4 (15A) AND 3 C-21 (LH)
FUSE F-5 (15A) AND 3 C-32 (RH)REPLACE THE BULB
NO
·
YES
REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN
13 B-12 AND 10 H-15REPAIR OR REPLACE THE DIMMER•PASSING SWNO
·WITH THE SWITCH AT THE LOW-BEAM POSITION, IS
THERE CONTINUITY BETWEEN THE SW CONNECTOR
TERMINALS 13 B-12 AND 16 B-12
DISCONNECT THE DIMMER•PASSING SW CONNECTOR
(COMBINATION SW)

WIRING SYSTEM 8DÐ139
1Ð4. Headlight Low-Beam On The Left (Or Right) Side Inoperative
·IS THE HEADLIGHT BULB ON THE
LEFT (OR RIGHT) SIDE NORMAL?
YES
·IS THE FUSE F–4 (15A) (OR F–5 (15A))
NORMAL?
YES
REPLACE THE BULB
NO
·DISCONNECT THE DIMMER·PASSING SW CONNECTOR
·WITH THE SWITCH AT THE LOW–BEAM POSITION, IS THERE
CONTINUITY BETWEEN 13 B–12 AND 16 B–12 ?
YES
REPLACE THE FUSE
NO
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 3 C–21 AND F–4
(15A) (OR 3 C–32 AND F–5 (15A))
NO
REPAIR OR REPLACE THE DIMMER·PASSING SWREPAIR A POOR CONNECTION AT THE CONNECTORS OR AN
OPEN CIRCUIT BETWEEN 13 B–12 AND 1 C–21 (OR 13 B–12
AND 1 C–32 )
·IS THE CONTINUITY BETWEEN
3 C–21 AND F–4 (15A) (OR 3 C–32
AND F–5 (15A)) NORMAL?
NOYES