Isuzu N-Series. Manual - part 1082

 

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Isuzu N-Series. Manual - part 1082

 

 

8-40 CAB AND CHASSIS ELECTRICAL

24 Volt 4HK1 Engine

F-27

10 A

RR FOG

Rear fog light switch, Rear fog light relay

F-28

—

—

—

Fuse No.

Capacity

Indication on label

Main parts (Load)

F-1

15 A

HEATER, AIR CON

Blower motor, Blower resistor, Fan switch, A/C switch, A/C
thermo relay, Pressure switch, VSV: FICD, Electronic thermo-
stat, A/C compressor, A/C thermo relay, Condenser fan, ECM
(A/C compressor SIG.)

F-2

10 A

FUEL HEATER

Exhaust brake magnetic valve, Clutch switch, Accel switch,
Fuel heater, VSV: Intake throttle, ABS (Exhaust brake SIG.),
Ceramic heater relay

F-3

15 A

REAR HEATER

Rear heater, Rear heater switch

F-4

15 A

AUDIO (B), DOOR 

LOCK

Radio & clock, Dome light switch, Dome light, Door switch
(RH & LH), Door lock switch, Door lock actuator, Door lock
controller, Speedometer, Key cylinder switch, Key remind
buzzer, Side turn signal light(s)

F-5

10 A

STOP LIGHT

Stoplight switch, Stoplight, ABS (Stop on SIG.), ECM (brake
on SIG.)

F-6

20 A

POWER WINDOW

Power window

F-7

10 A

TAIL LIGHT

Tail relay, Illumination light(s), Clearance light(s), Tail light(s),
Roof marker light, License light(s), Marker light relay

F-8

10 A

FRT FOG LIGHT

Fog light switch, Fog light, Lighting switch, Cornering light
relay, Cornering light, Cornering light switch

F-9

10 A

ENG. (IG)

ECM (IG SIG.), Starter cut relay, ECM (Exhaust brake SIG.),
Exhaust brake indicator, ECM (brake off SIG.), ECM (clutch on
SIG.), ALDL connector

F-10

15 A

FRONT WIPER & 

WASHER

Wiper & Washer switch, Wiper motor, Washer motor, Intermit-
tent relay

F-11

10 A

TURN LIGHT

Flasher unit, Front turn signal light, Rear turn signal light, Turn
signal light switch, Hazard warning switch, Side turn signal
light relay

F-12

10 A

H/LAMP LEVEL

Headlight leveling switch, Headlight leveling motor (actuator)

F-13

10 A

NEES (B)

Smoother

F-14

—

—

—

F-15

15 A

AUDIO (IG), CIGAR 

LIGHTER

Radio, Cigar lighter, Digital clock

F-16

10 A

METER

CSD Relay, Key remind buzzer, Backup light switch, Backup
light, Neutral switch, Starter relay, QOS-II controller, Glow
relay, Glow indicator (Meter), Coolant temperature gauge,
Thermo unit, Vehicle speed sensor (Installed on the meter
assembly & Transmission), Meter assembly, Power window
relay, Cornering light relay, Backup buzzer, ABS indicator
relay, Charge relay, Heater A/C relay, VSV: 2WD (4WD), VSV:
4WD (4WD), 4WD relay

F-17

10 A

NEES (IG)

Smoother (IGN SIG.)

HSA

HSA

F-18

10 A

SRS

SRS

Fuse No.

Capacity

Indication on label

Main parts (Load)

CAB AND CHASSIS ELECTRICAL 8-41

F-19

10 A

ENG. (BACK UP) HSA

ECM (Back up), HSA control unit

F-20

15 A

HORN, HAZARD

Horn, Horn relay, Horn switch, Flasher unit, Hazard warning
switch, Turn light(s), Side turn signal light relay

F-21

10 A

ABS (IG)

ABS (IGN SIG.)

F-22

10 A

STARTER

Starter relay, QOS-II controller

F-23

10 A

HEAD LIGHT RH

Headlight (RH), Dimmer relay, High beam indicator light

F-24

10 A

HEAD LIGHT LH

Headlight (LH), Dimmer relay

F-25

15 A

MARKER LAMP

Marker light, Marker light relay

F-26

15 A

COND. FAN

Condenser fan

F-27

10 A

RR FOG

Rear fog light switch, Rear fog light relay

F-28

10 A

ECM. ENG.

ECM

Fuse No.

Capacity

Indication on label

Main parts (Load)

8-42 CAB AND CHASSIS ELECTRICAL

Relay Location

X-16

X-15

X-14

X-13

X-8

X-9

X-10

X-11

X-12

X-7

X-6

X-5

Relay box No.2

Relay box No.1

X-1

X-2

X-4

X-3

X-28

X-27

X-26

X-25

X-24

X-23

X-22

X-21

X-20

X-19

X-18

Relay box
(Installed on the left side rear of the cab)

X-17

N8A5052E

CAB AND CHASSIS ELECTRICAL 8-43

Relay List

❍: Standard, ❏: Option

X-1

X-2

X-3

X-4

X-5

X-6

Charge 

warning

Key ON

Horn

Lamp

Tail

ABS 
IND.

Smoother 

main

Dimmer

12V

NHR55

—

❍

❍

❍

❍

—

—

❍

NKR55

—

❍

❍

❍

❍

—

—

❍

NHR69

—

❍

❍

❍

❍

—

—

❍

NKR77

—

❍

❍

❍

❍

❏

—

❍

NPR77

—

❍

❍

❍

❍

❏

—

❍

24V

NKR66

❍

—

❍

❍

❍

—

—

❍

NPR66

❍

—

❍

❍

❍

—

—

❍

NQR66

❍

—

❍

❍

❍

—

—

❍

NPR70

❍

—

❍

❍

❍

❏

—

❍

NQR70

❍

—

❍

❍

❍

❏

—

❍

NKR71

❍

—

❍

❍

❍

—

—

❍

NQR71
with turbocharger

❍

—

❍

❍

❍

—

—

❍

NPS71

❍

—

❍

❍

❍

—

—

❍

NPR71

❍

—

❍

❍

❍

—

—

❍

NQR71
w/o turbocharger

❍

—

❍

❍

❍

—

—

❍

NPR75

❍

—

❍

❍

❍

—

❏

❍

NQR75

❍

—

❍

❍

❍

—

❏

❍

NPS75

❍

—

❍

❍

❍

—

—

❍

 

 

 

 

 

 

 

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