1998 ISUZU TROOPER bulb

8DÐ174 WIRING SYSTEM
1-7 License Plate Light On The Left (Or Right) Side Inoperative
(RHD-2)
IS THE LICENSE PLATE LIGHT BULB ON THE LEFT
(OR RIGHT) SIDE NORMAL?·
·YES
NO
REPLACE THE BULB
WITH THE LIGHTING SWITCH AT THE CLEARANCE
LIGHT POSITION, IS THE BATTERY VOLTAGE APPLIED
BETWEEN 1 F-9 (OR 1 F-10 ) AND THE GROUND?
YESNO
REPAIR A POOR CONNECTION AT
THE CONNECTORS OR AN OPEN
CIRCUIT BETWEEN 10 H-32 AND
1 F-9 (OR 9 H-32 AND 1 F-10 ) REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 2 F-9 (OR 2 F-10 )
AND R-4

8DÐ176 WIRING SYSTEM
2-3 Taillight On The Left (Or Right) Side Inoperative
IS FUSE F-11 (10A) (OR F-12 (10A)) NORMAL?·
·YES
NO
IS THE TAILLIGHT BULB ON THE LEFT (OR RIGHT)
SIDE NORMAL?·
YES
NO
REPLACE THE BULB
REPLACE THE FUSE
WITH THE LIGHTING SWITCH AT THE CLEARANCE
LIGHT POSITION, IS THE BATTERY VOLTAGE APPLIED
BETWEEN 6 R-13 (OR 6 R-12 ) AND THE GROUND,
OR 4 F-7 (OR 4 F-8 ) AND THE GROUND?
YESNO
REPAIR A POOR CONNECTION AT
THE CONNECTORS OR AN OPEN
CIRCUIT BETWEEN 10 H-32 AND
6 R-13 (OR 9 H-32 AND 6 R-12 ),
OR 10 H-32 AND 4 F-7 (OR 9 H-32
AND 4 F-8 ) REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 1 R-13 (OR 1 R-12 )
AND R-4 , OR 2 F-7 (OR 2 F-8 ) AND R-4
2-4 Both Clearance Lights Inoperative
·IS 1 C-16 (2 C-16 : 4ZE1) GROUNDED SECURELY?
YES
REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 1 C-16 (2 C-16 : 4ZE1)
AND 1 C-22 (1 C-31 )
NO
GROUND IT SECURELY

WIRING SYSTEM 8DÐ177
2-5 Clearance Light On The Left (Or Right) Side Operative
·IS THE CLERANCE LIGHT BULB ON THE LEFT (OR
RIGHT) SIDE NORMAL?
YESNO
REPLACE THE BULB·IS THERE ANY CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR
2 C-22 AND FUSE F-11 (10A)
2 C-31 AND FUSE F-12 (10A)
YESNO
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT IN
THE CIRCUITREPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 1 C-22 (OR 1 C-31 )
AND 1 C-16 (OR 2 C-16 : 4ZE1)
2-6 License Plate Light Inoperative
(LHD-1)
·DOES THE BOTH TAILLIGHT LIGHT UP WHEN THE LIGHTING
SWITCH IS AT THE CLEARANCE LIGHT POSITION?
YESNO
GROUND R-4 SECURELY·IS THE LICENCE PLATE LIGHT BULB NORMAL?
YES NO
REPLACE THE BULB
REPLACE THE FUSE
·IS THERE ANY CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR
1 G-8 AND 1 H-39 ?
YESNO
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT IN
THE CIRCUITREPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 2 G-8 AND
R-4
·IS FUSE F-12 (10A) NORMAL?
YESNO

8DÐ178 WIRING SYSTEM
(LHD-2)
DOES THE TAILLIGHT LIGHT UP WHEN THE LIGHTING
SWITCH IS AT THE CLEARANCE LIGHT POSITION?·
YES
NO
GROUND R-4 SECURELY
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 2 F-9 (2 F-10 )
AND R-4
2-7 License Plate Light On The Left (Or Right) Side Inoperative
(LHD-2)
IS THE LICENSE PLATE LIGHT BULB ON THE LEFT
(OR RIGHT) SIDE NORMAL?·
·
·YES
NO
REPLACE THE BULBIS FUSE F-11 (10A) (F-12 (10A)) NORMAL?
YESNO
REPLACE THE FUSE
WITH THE LIGHTING SWITCH AT THE CLEARANCE
LIGHT POSITION, IS THE BATTERY VOLTAGE APPLIED
BETWEEN 1 F-9 (OR 1 F-10 ) AND THE GROUND?
YESNO
REPAIR A POOR CONNECTION AT
THE CONNECTORS OR AN OPEN
CIRCUIT BETWEEN 1 F-9 AND
FUSE F-11 (10A) (OR 1 F-10 AND
FUSE F-12 (10A)) REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 2 F-9 (OR 2 F-10 )
AND R-4

8DÐ202 WIRING SYSTEM
Diagnosis
Quick Chart for Check Points
Check pointFuse
C-3
(10A)F-3
(15A)Turn
signal
SWHazard
SWFlasher
unitTurn
signal
bulbCable
harness
1 Both turn signal lights and hazard
warning lights inoperativeTrouble mode
2 Turn signal light flashes too quickly
3 Hazard warning lights inoperative
4 Turn signal lights inoperative
5 Turn signal lights on the right (or left) side
inoperative
6 Hazard warning lights on the right (or left)
side inoperative
7 Turn signal lights and hazard warning
ligths on the right (or left) side inoperative

WIRING SYSTEM 8DÐ203
1 Both Turn Signal Lights and Hazard Warning Lights Inoperative
2 Turn Signal Light Flashes Too Quickly
REINSTALL OR REPLACE THE BULB, REPAIR AN OPEN
CIRCUIT IN THE CIRCUIT, OR CHECK THE GROUND
CONNECTION
·IS THE HAZARD WARNING SW NORMAL?
YESNO
REPAIR OR REPLACE THE SW·
·
·REMOVE THE FLASHER UNIT
TURN THE STARTER SW ON
IS THE BATTERY VOLTAGE APPLIED BETWEEN
1 B-53 AND THE GROUND?
YES NO
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN 7 I-11 AND 1 B-53·IS B-19 GROUNDED SECURELY?
YESNO
GROUND IT SECURELY·IS THERE ANY CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR 3 B-53 AND THE GROUND?
YES NO
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN 3 B-53 AND B-19REPLACE THE FLASHER UNIT

8DÐ216 WIRING SYSTEM
DIAGNOSIS
Quick Chart for Check Points
Check pointFuse
C-14 (15A)Cable
harness
1 Both stoplights inoperative Trouble mode
2 Stoplight on the left (or right) side inoperative
Stoplight
SW or
brake SWStoplight
bulb
High mounted stoplight inoperative3
High mount
stoplight
ASM

8DÐ218 WIRING SYSTEM
2 Stoplight On The Left (Or Right) Side Inoperative
(Body Build-in Type Stoplight)
(Bumper Build-in Type Stoplight)
·WITH THE STOPLIGHT SW OR BRAKE SW DEPRESSED, IS THE
BATTERY VOLTAGE APPLIED BETWEEN 5 R-13 (OR 5 R-12 )
AND THE GROUND?
YES
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 7 H-32 AND
5 R-13 (OR 5 R-12 )
NO
·IS THE STOPLIGHT BULB ON THE LEFT (OR RIGHT) SIDE NORMAL?
REPLACE THE BULB
YESNO
REPAIR A POOR CONNECTION AT THE CONNECTORS OR AN
OPEN CIRCUIT BETWEEN 1 R-13 (1 R-12 ) AND R-4
·WITH THE STOPLIGHT SW OR BRAKE SW DEPRESSED, IS THE
BATTERY VOLTAGE APPLIED BETWEEN 3 F-7 (OR 3 F-8 )
AND THE GROUND?
YES
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 7 H-32 AND
3 F-7 (OR 3 F-8 )
NO
·IS THE STOPLIGHT BULB ON THE LEFT (OR RIGHT) SIDE NORMAL?
REPLACE THE BULB
YESNO
REPAIR A POOR CONNECTION AT THE CONNECTORS OR AN
OPEN CIRCUIT BETWEEN 2 F-7 (2 F-8 ) AND R-4