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 402 of 1205
TM 9-2320-387-24-l
INSTRUMENTS
CIRCUIT1
&SD
TEsT om,elAGNOSW
FLOWCHART
I
r
KNOWN INFO
I
TRY
IT.
WIRING OK
POSSIBLE
PROBLEMS’
GAUGE
SENDING
UNIT
L
KNOWN INFO
WIRING OK
POSSIBLE
PROBLEMS
GAUGE
SENDING
UNIT
RECONNECT WIRES 27G AND 33A
AT THE TEMPERATURE GAUGE.
WITH THE ROTARY SWITCH IN
THE RUN POSITION,
DOES
THE GAUGE READ OFF SCALE
BELOW 120°F (49”C)?
REASON
FOR QUESTlON
This will determine if the
gauge can respond to an
input signal.
1
TEST
OPTIONS
WITH THE ROTARY SWITCH IN
THE RUN POSITION, SHORT WIRE
338 TO ENGINE GROUND. DOES
THE GAUGE READ OFF SCALE
ABOVE 240°F (116” C)?
TRY
IT.
REASON
FOR OUESllON
Thii will determine if the
gauge can respond to an
input signal.
TEMPERATURE
2-348
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