1998 ISUZU TROOPER fuse

WIRING SYSTEM 8DÐ171
1-4 Both Clearance Lights Inoperative
IS FUSE F-12 (15A) NORMAL?·
·YES
NO
REPLACE THE FUSE
REPLACE THE RELAY
REMOVE THE CONNECTOR OF THE LIGHTING SWITCH
·
IS THERE ANY CONTINUITY BETWEEN 8 B-12 AND
7 B-12 WHEN THE SWITCH IS TURNED TO THE CLEARANCE
LIGHT OR HEADLIGHT POSITION?
YESNO
GROUND IT SECURELY
YESNO
YESNO
YESNO
REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 4 X-9 AND 1 H-41
·
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE
HARNESS SIDE CONNECTOR 8 B-12 AND THE GROUND?REPAIR OR REPLACE THE LIGHTING
SWITCH
REPAIR A POOR CONNECTION AT
THE CONNECTORS OR AN OPEN
CIRCUIT BETWEEN 3 X-9 AND
8 B-12
·
IS THE TAIL RELAY NORMAL?
IS 1 C-16 GROUNDED SECURELY? ·

WIRING SYSTEM 8DÐ173
(RHD-2)
YESNO
REPAIR A POOR CONNECTION AT
THE CONNECTORS OR AN OPEN
CIRCUIT BETWEEN FUSE F-12 (15A)
AND 8 B-12 REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 4 X-9 AND 4 H-15 ,
OR 2 F-9 (2 F-10 ) AND R-4
IS FUSE F-12 (15A) NORMAL?·
IS THE TAIL RELAY NORMAL? ·
·YES
NO
REPLACE THE FUSE
IS R-4 GROUNDED SECURELY? ·YES
NO
YESNO
REPLACE THE RELAY
REMOVE THE CONNECTOR OF THE LIGHTING SWITCH
·
IS THERE ANY CONTINUITY BETWEEN 8 B-12 AND
7 B-12 WHEN THE SWITCH IS TURNED TO THE CLEARANCE
LIGHT OR HEADLIGHT POSITION?
YESNO
REPAIR OR REPLACE THE LIGHTING
SWITCH IS THE BATTERY VOLTAGE APPLIED BETWEEN
THE HARNESS SIDE CONNECTOR 8 B-12 AND
THE GROUND?
GROUND IT SECURELY

WIRING SYSTEM 8DÐ175
2-1 All Illumination Lights Inoperative
·IS TAIL RELAY NORMAL?
YESNO
REPLACE THE RELAY·IS THE CONTINUITY IN THE LIGHTING SWITCH NORMAL?
YESNO
REPAIR A POOR CONNECTION AT THE CONNECTORS OR AN
OPEN CIRCUIT BETWEEN 7 B-12 AND B-19REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT IN THE
CIRCUIT BETWEEN FUSE F-12 AND 8 B-12
YESNO
REPAIR OR REPLACE THE SWITCH·IS B-19 GROUNDED SECURELY?
YESNO
GROUND IT SECURELY·IS THE BATTERY VOLTAGE APPLIED BETWEEN 8 B-12
AND GROUND WHEN LIGHTING SWITCH IS ON?
2-2 Both Taillights Inoperative
·DOES THE LICENCE PLATE LIGHT LIGHT UP WHEN THE
LIGHTING SWITCH IS AT THE CLEARANCE LIGHT
POSITION?
YES
REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 1 R-13 (1 R-12 )
AND R-4 , OR 2 F-7 (2 F-8 ) AND R-4NOGROUND R-4 SECURELY

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

WIRING SYSTEM 8DÐ179
2-8 Both Taillights And Clearance Lights On The Left (Or Right) Side Inoperative
·IS FUSE F-11 (10A) OR F-12 (10A) NORMAL?
YES
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN
FUSE F-11 (10A) AND 18 H-12
FUSE F-12 (10A) AND 11 H-12
NO
REPLACE THE FUSE

WIRING SYSTEM 8DÐ185
Parts Location (RHD)
Legend
(1) Front Fog Light Switch (I-5)
(2) Head Light Wiper / Washer Switch (I-4)
(3) Illumination Controller
(4) B-12
(5) I-9
(6) Hazard Switch (I-11)
(7) L-6
(8) I-16
(9) I-17
(10) L-4
(11) I-24
(12) H-21(13) B-2
(14) H-32
(15) I-23
(16) I-20
(17) B-30
(18) B-33
(19) I-19
(20) B-55, B-56, B-57
(21) H-41
(22) I-16
(23) B-19
(24) Relay and Fuse Box (X-9)
(25) H-15, H-16, H-26
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