Isuzu N-Series. Manual - part 986
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.
Grounding Point Location
Connector No.
Cable harness
name
Location
Main parts (Load)
B-1
Body harness
Frame-LH (FRT)
Vehicle speed sensor, QOS-III control unit, Turn signal
indicator light, Meter, High beam indicator light, PTO
lever, TCM
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,
Radio, Cigar lighter, Heater & A/C relay, Fan switch,
Horn relay, Rear heater switch, Rear heater, Radio &
clock, Cigar lighter, Fan switch, Blower resistor, A/C
switch, Blower motor, Electronic thermostat, Accel
switch, Door lock switch, Door lock controller, Headlight
leveling switch, Headlight leveling motor, Power win-
dow relay, Power window switch, QOS-III control unit,
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, 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, Backup light
N8A5054E
B-7
N8A5055E