Isuzu N-Series. Service manual - part 1022

CAB AND CHASSIS ELECTRICAL 8-193

2-2. Stoplight on the Left (or Right) Side Inoperative

Notice:
Figure in parenthesis “( )” indicates the place of inspection for the right side stoplight.

Starter Switch

Refer to “START AND CHARGING” in this section.

Front Turn Signal Light/Bulb

Removal

1. Remove the battery ground cable at the battery.
2. Remove the front combination light.

• Open the cab door. Insert a screwdriver (1) into

the space between the cab and the cab door.
Use the screwdriver to force out the stud pin at
the center of the grommet (the pin securing the
front combination light).

• Remove the fixing screw.
• Remove the two catches.

• Remove the front combination light (1) connec-

tor.

3. Remove the front turn signal light bulb.

• Turn the bulb socket (2) to the left to remove it.
• Press the bulb (3) in and turn it to the left to re-

move it from the socket.

Installation

1. Install the front turn signal light bulb.

• While pressing the bulb (2), turn it clockwise to

fit.

Notice:
Do not let the glass portion dirty with sebum etc.

• Turn the bulb socket (3) clockwise to fit.

N8A5206E

Door side

Cab side

1

N8A5471E

2

1

3

N8A5484E

8-194 CAB AND CHASSIS ELECTRICAL

2. Installation procedure of front combination light as-

sembly

• Connect the connector of the front combination

light assembly.

• Position it by aligning two pawls with the groove

of H/L.

• Fit the iron PIN (1) in the upper portion of the

side by aligning it with the center of correspond-
ing grommet.

Notice:
Push it into securely with a force of approx. 250 N (25
kgf) until click is heard.

• Pull the front combination light assembly lightly

toward the front of vehicle to make sure that the
PIN and grommet are engaged securely.

• Tighten one bolt in the lower portion of front

combination light assembly.

3. Hook the seal rubber on two projections under H/L.

4. Connect the battery ground cable.
5. Check lighting of each light.

Rear Turn Signal Light/Bulb

Removal
Preparation:
Disconnect the battery ground cable.

1. Lens
2. Bulb

Installation
To install, follow the removal steps in the reverse order.

Turn Signal Light Switch (Combination Switch)

Inspection
Check the continuity between the terminals of the turn
signal light switch.
Repair or replace the switch when the result of inspec-
tion is found abnormal.

1

3

2

N8A0445E

N8A0176E

2

5

9

11

12

13

Terminal No.

SW position

Turning
left

Neutral

Turn signal

light SW

Turning
right

N8A0177E

CAB AND CHASSIS ELECTRICAL 8-195

Removal and Installation

Refer to “HEADLIGHT, FOG LIGHT AND CORNERING
LIGHT” in this section.

Flasher Unit

Inspection
When a 55W bulb is connected to the unit side terminals
“L” and “E” while connecting the battery (+) terminal to
terminal “B”, and the battery (

−) terminal to terminal “E”,

does the bulb light on and off?
Replace the unit when the result of inspection is found
abnormal.

Stoplight Bulb

Removal and Installation
Refer to “CLEARANCE LIGHT, TAILLIGHT, LICENSE
PLATE LIGHT AND ILLUMINATION LIGHT” for TAIL-
LIGHT BULB removal and installation steps in this sec-
tion.

Stoplight Switch

Inspection

1. Check to see if the stoplight switch is installed cor-

rectly to the specified position. Adjust the position
when the result of the inspection is found abnor-
mal.

2. Check to see if there is any continuity between the

terminals of the stoplight switch.
Replace the switch when the result of inspection is
found abnormal.

Removal
Preparation:
Disconnect the battery ground cable.

1. Stoplight Switch

1) Disconnect the connector.
2) Loosen the lock nut of the switch.
3) Remove the switch by turning it.

N8A0178E

1

2

Depress brake pedal (Push
rod out)

Release brake pedal (Push
rod in)

Terminal No.

SW position

Switch side

1

2

B-66

N8A0179E

N8A0180E

8-196 CAB AND CHASSIS ELECTRICAL

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 re-

turned by the return spring to the specified po-
sition.

2) Turn the stoplight switch clockwise until the tip

of the threaded portion of the 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.).

Hazard Warning Switch

Inspection
Check the continuity between the terminals of the haz-
ard warning switch.
Repair or replace the switch when the result of inspec-
tion is found abnormal.

Removal
Preparation:
Disconnect the battery ground cable.

1. Meter Cluster

Refer to the “METER AND WARNING/INDICA-
TOR LIGHT” in this section.

2. Hazard Warning Switch

Release the lock pushing the switch from the back
side of the meter cluster.

Installation
To install, follow the removal steps in the reverse order
noting the following point.

1. Push the switch with your fingers until locks se-

curely.

N8A0181E

B-30

6

5

1

2

3

4

7

8

ON

OFF

Terminal

No.

SW
position

N8A0182E

N8A0436E