Isuzu N-Series. Manual

8-48 CAB AND CHASSIS ELECTRICAL

Diode Location

Connector No.

B-17

B-18

J-23

L-1

L-3

Usage

QOS III,

Lighting

Dome light,

A/C

VSV: FICD

Dome light

Connector No.

X-33

X-32

Usage

A/C,

ECM

Smoother,

Dome light

N8A5053E

CAB AND CHASSIS ELECTRICAL 8-49

Reference Table of Grounding Point

Notice:
Abnormal phenomena of electrical components are considered resulted from defective grounding.
In repair, be sure to inspect grounding points and to tighten all fastening parts surrounding the grounding points.

Connector No.

Cable harness

name

Location

Main parts (Load)

B-1

Body harness

Frame-LH (FRT)

Vehicle speed sensor, Heater & A/C relay, Fan switch,
Ceramic heater relay, Ceramic heater thermo relay,
Meter, High beam indicator light, PTO lever, TCM, SRS
C/U

B-275

Frame-RH
(FRT)

SRS C/U

B-7

Headlight
bracket-LH

Charge relay, Exhaust brake relay, QOS II control unit,
QOS III control unit, Dome light switch, Key remind and
back up buzzer, Meter, Brake fluid switch, Tail relay,
Cornering light switch, Cornering light, Cornering light
relay, Fog light switch, Fog light, Dimmer relay, Door
lock switch, Door lock relay, Power window switch (RH),
Power window relay, Stoplight switch, Mirror switch,
Wiper motor, Washer motor intermittent relay, ECM,
Pattern select switch, Kickdown switch, Shift indicator,
Shift lock controller, Radio, Cigar lighter, Heater & A/C
relay, Fan switch, Ceramic heater relay, Ceramic heater
thermo relay, ALDL connector (ECM), Vehicle speed
sensor, Horn relay, Rear heater switch, Rear heater,
Radio & clock, Cigar lighter, Fan switch, Blower resistor,
A/C switch, Blower motor, Electronic thermostat, Accel
switch, QOS II control unit, Door lock switch, Door lock
controller, Headlight levering switch, Headlight levering
motor, 4WD switch, Shift lock controller, Power window
relay, Power window switch, QOS III control unit, Pat-
tern select switch, Ceramic heater relay, Emergency
relay, Select switch, Emergency adjust switch, PTO-
Smoother switch

J-9

Frame front har-
ness

Frame-LH (CTR)

Marker light relay, Marker light, Water sedimenter
switch, Fuel tank unit, Starter relay, Inhibitor switch,
4WD switch, VSV; Transfer control (2WD & 4WD), 4WD
detective switch, 4WD relay, Neutral switch, Fuel
heater, Pressure switch, A/C thermo relay, VSV: FICD,
Exhaust brake control relay, Exhaust brake magnetic
valve, Accel switch, Clutch switch, VSV: intake throttle,
Engine stop motor, ECM, ECM main relay, Starter cut
relay, Shift 1,3,5 solenoid, Shift 2,4,R solenoid, Select
solenoid, License plate light, Taillight, Rear fog light,
Rear turn signal light, Stoplight, Stoplight switch,
License plate light, Backup light

Isuzu N-Series. Manual - part 1084