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 368 of 1205
TM
9-2320-387-24-l
INSTRUMENTS
C,RCUI;
A@
I-
KNOWN INFO
I
TEST OPT,ONS DIAGNOSTIC
FLOWCHART
I
DISCONNECT WIRE 296 FROM
CIRCUIT BREAKER 2. WITH THE
ROTARY SWITCH IN THE OFF
POSITION, DO YOU HAVE
0 VOLTAGE AT WIRE 29B?
1. STEXE-R
TEST 89
(Page 2-506)
2. MULTIMETER
SOME GAUGES AND
LAMPS HAVE
POWER WHEN THEY
SHOULDN’T
POSSIBLE
PROBLEMS
1
REASON
FOR QUESTION
Voltage here indicates a short
circuit to power.
ROTARY SWITCH
WIRING
ROTARY SWITCH OK
POSSIBLE
PROBLEMS
1 TEST
I
OPTIONS
1. STE/ICE-R
TEST 89
(Page 2-506)
2. MULTIMETER
DISCONNECT WIRE 29D FROM
CIRCUIT BREAKER 2. WITH THE
ROTARY SWITCH IN THE OFF
POSITION, DO YOU HAVE
0 VOLTAGE AT WIRE 29D?
REASON
FOR QUESTION
Voltage here indicates a short
circuit to power.
WIRING
A3
I
1
TEST OPTIONS
KNOWN INFO
CHECK CONTINUITY
FROM ALL
1.
STUICE-R
TEST 91
GAUGE GROUND TERMINALS TO
(Page 2-508)
ENGINE GROUND (WIRES 58E-H).
2. MULTIMETER
DO YOU HAVE CONTINUITY?
REASON
FOR QUESTION
A good ground circuit is necessary
for proper gauge operation.
REPAIR 58E-H
OR REPLACE
NO SHORTS TO POWER
POSSIBLE
PROBLEMS
WIRING
2-314
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