Isuzu N-Series. Manual - part 1123

8-204 CAB AND CHASSIS ELECTRICAL

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.

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.).

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

CAB AND CHASSIS ELECTRICAL 8-205

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

N8A5160E

8-206 CAB AND CHASSIS ELECTRICAL

Horn, Backup Light and Backup Buzzer

General Description

The circuit consists of the starter switch, horn, horn switch, backup light (Rear combination light), backup light switch,
back buzzer and the relay.
When the horn switch is turned on independent of the position of the starter switch, the relay is activated to sound the
horn. When the backup light switch turns on with the starter switch on, the backup light will operate.
Backup Light and Backup Buzzer Circuit

N8A5216E

CAB AND CHASSIS ELECTRICAL 8-207

Parts Location

N8A5217E