TM-9-2320-387-24-1

TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1

DECEMBER 1997

CHANGE 1

TM-9-2320-387-24-1 - Page 394 of 1205

TM 9-2320-387-24-l

INSTRUMENTS ClRCUfl/

G&s>

TEST OPT,ONS

DIAGNOSTIC FLOWCHART

1

r

L

KNOWN INFO

I

TRY

IT.

I

L

GAUGE HAS POWER 8

GROUND

I

SENDER

OK

WIRING OK

POSSIBLE

PROBLEMS

WITH THE ROTARY SWITCH IN

THE RUN POSITION, SHORT THE

SOCKET FOR WIRE 28A TO

GROUND. DOES THE FUEL

GAUGE READ AT OR BELOW

EMPTY?

REASON

FOR QUESTION

Gauge should read at or

below empty.

KNOWN INFO

GAUGE HAS POWER &

GROUND

SENDER

OK

WIRING OK

POSSIBLE

PROBLEMS

1

GAUGE

WITH THE ROTARY SWITCH IN

THE ON POSITION AND WIRE

28A OPEN, DOES THE FUEL

GAUGE READ OFF SCALE TO

ABOVE FULL?

OPTIONS

TRY

IT.

REASON

FOR

QUESTtON

Gauge should read off scale.

2-340