ISUZU TROOPER 1998 Service Repair Manual

8A–12LIGHTING SYSTEM
Backup Light Bulb
Removal
1. Disconnect the battery ground cable.
2. Remove three screws and release the lock at two
positions.
3. Remove the rear combination light(3).
4. Remove the backup light socket/bulb(1) by turning it
counterclockwise.
5. Remove the bulb(2) by turning it counterclockwise
while pushing it at the same time.
803RS001
Installation
To install, follow the removal steps in the reverse order.
Dome Light Bulb
Removal
1. Disconnect the battery ground cable.
2. Remove the lens(2) by releasing the locks at three
locations.
3. Remove the bulb(1).
805RS005
Installation
To install, follow the removal steps in the reverse order.

LIGHTING SYSTEM8A–13
Luggage Room Light Bulb
Removal
1. Disconnect the battery ground cable.
2. Remove the lens(2) by releasing the locks at four
locations.
3. Remove the bulb(1).
803RS007
Installation
To install, follow the removal steps in the reverse order.
Courtesy Light Bulb
Removal
1. Disconnect the battery ground cable.
2. Remove two screws to remove the lens(1).
3. Pull out the bulb(2) from the socket.
805RS006
Installation
To install, follow the removal steps in the reverse order.

8A–14LIGHTING SYSTEM
Map Light Switch/Bulb
Removal
1. Disconnect the battery ground cable.
2. Pull the map light body downward to release the lock.
3. Disconnect the connectors of the map light and the
sun roof switch.
4. Remove the map light switch.
5. Turn the socket counterclockwise to remove it.
6. Pull out the bulb from the socket.
805RS008
Installation
To install, follow the removal steps in the reverse order.
Cigarette Lighter Illumination Bulb
Removal
1. Disconnect the battery ground cable.
2. Remove eight screws to remove the instrument
cluster panel(2).
3. Turn the socket counterclockwise to remove it then
pull out the bulb(1).
826RS013
Installation
To install, follow the removal steps in the reverse order.

LIGHTING SYSTEM8A–15
Ashtray Illumination Bulb
Removal
1. Disconnect the battery ground cable.
2. Removal eight screws to remove the instrument
cluster panel(1).
3. Remove the ashtray(5).
4. Remove four screws to remove the audio box(4).
5. Remove two screws to remove the ashtray guide(2).
6. Turn the socket counterclockwise to remove it then
pull out the bulb(3).
742RS001
Installation
To install, follow the removal steps in the reverse order.
Glove Box Illumination Bulb
Removal
1. Disconnect the battery ground cable.
2. Open the glove box lid, and then pull out the bulb(1).
805RS004
Installation
To install, follow the removal steps in the reverse order.

8A–16LIGHTING SYSTEM
Vanity Mirror Illumination Bulb
Removal
1. Disconnect the battery ground cable.
2. Remove the lens(2).
3. Remove the bulb(1).
743RW007
Installation
To install, follow the removal steps in the reverse order.

LIGHTING SYSTEM8A–17
Starter Switch
Removal
1. Disconnect the battery ground cable.
2. Remove the front console assembly(1).
Refer to Instrument Panel Assembly in Body
Structure section.
3. Remove the lower cluster assembly(2).
Refer to the Instrument Panel Assembly in Body
Structure section.
4. Remove the instrument panel driver lower cover
assembly(3).
Refer to the Instrument Panel Assembly in Body
Structure section.
821RW024
5. Remove seven screws to remove the steering
cowl(6).
6. Disconnect the connector, remove the screw(4) and
then remove the starter switch(5).
431RW005
Installation
To install, follow the removal steps in the reverse order
noting the following point.
1. When installing the steering cowl(10), be sure to pass
the harnesses through the route as shown in the
figure so that the starter switch harness(7), the
combination switch harness(8) and the inflator
module harness(9) will not get caught.
431RW008

8A–18LIGHTING SYSTEM
Lighting Switch (Combination Switch)
Removal
1. Disconnect the battery ground cable.
2. Remove the instrument panel driver lower cover(5).
Refer to the Instrument Panel Assembly in Body
Structure section.
3. Remove seven screws to remove the steering
cowl(4).
4. Disconnect the SDM (air bag controller) connector
located at lower of the instrument panel driver lower
cover.
5. Remove four fixing screws and disconnect the driver
inflator module connector to remove the driver inflator
module(3).
CAUTION: When carrying a live inflator module,
make sure the bag opening is pointed away from
you. In case of an accidental deployment, the bag will
then deploy with minimal chance of injury. Never
carry the inflator module by the wires or connector
on the underside of the module.
When placing a live inflator module on a bench or
other surface, always face the bag and trim cover up,
away from the surface. This is necessary so that a
free space is provided to allow the air bag to expand
in the unlikely event of accidental deployment.
6. Remove the steering wheel(2).
Refer to the Steering Wheel in Steering section.
7. Disconnect the SRS coil assembly connector,
remove four fixing screws to remove the SRS coil
assembly(1).
8. Disconnect the lighting switch connector, remove four
fixing screws to remove the lighting switch(6).
825RS039
Installation
To install, follow the removal steps in the reverse order,
noting the following points.1. Check to see if the vehicle is in the straight driving
condition and turn the rotary section of the SRS coil
assembly provided to the upper surface of the lighting
switch (combination switch) counterclockwise fully
until it stops.
Then from where it stops, turn it back about 3
rotations to set the alignment marks(7) together
before installing the steering wheel.
825RW099
2. Tighten the steering shaft nut to the specified torque.
Torque: 34 N·m (3.5 kg·m/25 lb ft)
3. When connect the double lock type of inflator module
connector, insert the connector completely and lock
at outside.
Imperfect locking may cause malfunction of SRS
system circuit.
4. When installing the steering cowl(11), be sure to pass
the harnesses through the route as shown in the
figure so that the starter switch harness(8), the
combination switch harness(9) and inflator module
harness(10) will not get caught.
431RW014

LIGHTING SYSTEM8A–19
Fog Light Switch
Removal
1. Disconnect the battery ground cable.
2. Remove the front console assembly(1).
Refer to the Instrument Panel Assembly in Body
Structure section.
3. Remove the lower cluster assembly(2).
Refer to the Instrument Panel Assembly in Body
Structure section.
4. Remove the instrument panel driver lower cover
assembly(3).
Refer to the Instrument Panel Assembly in Body
Structure section.
821RW024
5. Remove the instrument panel cluster assembly(4).
Refer to the Instrument Panel Assembly in Body
Structure section.
6. Disconnect the connector and push the lock from the
back side of the instrument panel cluster assembly to
remove the fog light switch(5).
825RW027
Installation
To install, follow the removal steps in the reverse order,
noting the following point:
1. Push in the switch with your fingers until the switch is
locked securely.

8A–20LIGHTING SYSTEM
Stoplight Switch (W/O Cruise Control)
Removal
1. Disconnect the battery ground cable.
2. Disconnect the connector(3), loosen the lock nut(1)
and then remove the stoplight switch(2) by turning it.
310RS007
Installation
To install, follow the removal steps in the reverse order,
noting the following points.
1. Check to see if the brake pedal has been returned by
the return spring to the specified position.
2. Turn the stoplight switch(1) clockwise until the tip of
the threaded portion of the switch contacts the pedal
arm(2).
3. Turn the switch counterclockwise until the space
between the tip of the threaded portion and the pedal
arm is 0.5 to 1.0 mm (0.02–0.04 in.).
310RS006

LIGHTING SYSTEM8A–21
Brake Switch (W/Cruise Control)
Removal
1. Disconnect the battery ground cable.
2. Disconnect the connector(1), loosen the lock nut(3)
and then remove the brake switch(2) by turning it.
310RW010
Installation
To install, follow the removal steps in the reverse order,
noting the following points.
1. Check to see if the brake pedal has been returned by
the return spring to the specified position.
2. Turn the switch clockwise until the tip of the threaded
portion of the brake switch contacts the pedal arm.
3. Turn the switch counterclockwise until the space
between the tip of the threaded portion and the pedal
arm is 0.5 to 1.0 mm (0.02–0.04 in.).
310RS003
Turn Signal Switch (Combination Switch)
Removal and Installation
Refer to the removal and installation steps of the Lighting
Switch (Combination Switch) in this section.