1998 ISUZU TROOPER Service Repair Manual

Page 1873 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6D – 6 ENGINE ELECTRICAL
RELATION BETWEEN STARTER SWITCH AND STARTER
M
Key
PositionB1 B2 ACCIG1 IG2 ST
LOCKKey
Removed
Inserted OFF
ACC
ON
START
BSBattery
+-
2
17
3
4
5
6
Legend
(1) Starter Switch
(

Page 1874 of 3573

ISUZU TROOPER 1998  Service Repair Manual ENGINE ELECTRICAL 6D – 7
ON-VEHICLE SERVICE
STARTER
REMOVAL
1 Battery ground cable 
2 Remove the slave cylinder and bind with wire it to
the frame.
3 Disconnect the connector from terminals “B”

Page 1875 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6D – 8 ENGINE ELECTRICAL
UNIT REPAIR
8
241 3
23
25
2
14
15 21222019181716
109
11
13
127
6
5
4
Legend
(1) Terminal
(2) Bolt
(3) Magnetic Switch
(4) Torsion Spring
(5) Plunger
(6) Shim
(7) Magnetic Sw

Page 1876 of 3573

ISUZU TROOPER 1998  Service Repair Manual ENGINE ELECTRICAL 6D – 9
DISASSEMBLY
1. Terminal Nut
1) Loosen the nut on terminal “M” of magnetic
switch and disconnect the connector cable.
2. Bolt (2 pcs)
3. Magnetic Switch Assembly
4. Torsi

Page 1877 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6D – 10 ENGINE ELECTRICAL
INSPECTION AND REPAIR
Repair or replace necessary parts if extreme wear or
damage is found during inspection.
Armature
1) Measure the outer diameter of commutator, and
repl

Page 1878 of 3573

ISUZU TROOPER 1998  Service Repair Manual ENGINE ELECTRICAL 6D – 11
5) Polish the commutator surface with sand paper
#500 to #600 if it is rough.
6) Measure the depth of insulator in commutator.
Repair, if it is below the limit.
Standard: 0

Page 1879 of 3573

ISUZU TROOPER 1998  Service Repair Manual 6D – 12 ENGINE ELECTRICAL
2) Inspect the brush springs for wear, damage or other
abnormal conditions.
Standard: 28 – 35 N (2.9 – 3.6 kg/6.4 – 7.9 lb)
Magnetic switch
1) Continuity of shunt coi

Page 1880 of 3573

ISUZU TROOPER 1998  Service Repair Manual ENGINE ELECTRICAL 6D – 13
Pinion
1) Check by hand to see if the pinion rotates smoothly
in the dirve direction, or if it is locked when it is
rotated reversely.
If not, replace the pinion. 
Yoke ass