TM-9-2320-280-20-1

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 1 OF 3

JANUARY 1996

TM-9-2320-280-20-1 - Page 388 of 888

TM 9-2320-280-20-1

KNOWN INFO

POSSIBLE PROBLEMS

TEST OPTIONS

REASON FOR QUESTION

KNOWN INFO

POSSIBLE PROBLEMS

NO

YES

2-294

Change 1

STARTER CIRCUIT

FROM G5,

Page 2-292

G6

1. STE/ICE-R TEST 91

(Page 2-752)

2. MULTIMETER

If there is continuity there,

you know all the wiring is good

and the problem is in the

PCB/distribution box.

REPAIR 74A

OR REPLACE

HARNESS

G7

REPLACE PCB/DISTRIBUTION

BOX.

IF YOU STILL

HAVE A PROBLEM, RE-RUN THE

TEST CHAIN (Page 2-261).

POWER AVAILABLE

TO PCB/DISTRIBUTION

BOX

PCB/DISTRIBUTION BOX

WIRING

WIRING OK

PCB/DISTRIBUTION BOX

DISCONNECT BATTERY NEGATIVE

CABLE. RECONNECT NEUTRAL

SAFETY SWITCH.

DISCONNECT

ENGINE CONNECTOR FROM

PCB/DISTRIBUTION BOX. IS

THERE CONTINUITY FROM

ENGINE CONNECTOR HARNESS

SOCKET “I” TO THE STARTER

SOLENOID WIRE 74A?

DIAGNOSTIC FLOWCHART