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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