Isuzu N-Series. Service manual — part 987

CAB AND CHASSIS ELECTRICAL 8-53

For GCC

REAR FRAME HARNESS

FRONT FRAME HARNESS

REAR BODY HARNESS

N8A0063E

8-54 CAB AND CHASSIS ELECTRICAL

SYSTEM REPAIR

Start and Charging

General Description

The system consists of the starter switch, starter, AC generator, starter relay, charge relay and heater and A/C relay.
When the starter SW is set to the “ST” position, the battery voltage is applied to the starter solenoid coil through the
starter relay to start the starter.

• On the 4HK1 engine, the function that ECM controls STARTER RELAY is added.

Starting Circuit

N8A0064E

CAB AND CHASSIS ELECTRICAL 8-55

Parts Location

For 12 Volt

B-7

<4JB1, 4JG2>

N8A0065E

8-56 CAB AND CHASSIS ELECTRICAL

For 24 Volt

FUSE BOX ASM

F-16, F-22

X-1 CHARGE RELAY

B-7

B-1

J-1,J-2 GENERATOR

FL-1, FL-2, FL-8 FUSIBLE LINK

X-21 STARTER RELAY

X-26 STARTER CUT RELAY (4HK1)

N8A0066E