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TM 9-2320-364-20-2
2-1178
5. GAGE(S) GIVING NO OR INCORRECT READINGS.
INITIAL SETUP
1.
Go to Step 6 of this
Fault.
START
YES
NO
Wipers operate indicating
10 to 14 vdc to circuit breakers
CB10 and CB8.
Circuit breakers CB8 and CB10
not tripped.
Gage wire 1276 faulty.
Wire 1435 faulty.
Sending wire faulty.
Gage faulty.
Sending unit faulty.
Dash lock up circuit breaker
CB8 faulty.
Wire 1276 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Fault is common to all gages if
all gages do not operate.
2-20. ELECTRICAL SYSTEM TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic: Automotive
(Item 74, Appendix G)
STE/ICE-R (optional) (Item 3, Appendix G)
Multimeter (Item 44, Appendix G)
Jumperwire
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
Cab engine access panel removed for
accessing water temperature sensor
only, (Para 17-24)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
Does at least one of the follow-
ing gages operate correctly?
Oil Pressure
Water Temperature
Transmission Oil Temp.
Fuel Level
12 Volt
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