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Page Title:
NONE OF THE GAGES OPERATE - continued |
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 TM 10-3930-673-20-1
34. NONE OF THE GAGES OPERATE (CONT).
5
KNOWN INFO
TEST OPTIONS
Gages do not operate.
Voltage test.
Is 24 vdc present on wire 3
Battery OK.
STE/ICE-R #89.
where wire 3 connects to run
Battery cable OK.
REASON FOR QUESTION
relay?
Wire 9 OK.
If voltage is not present, run relay
Connector P2 OK.
faulty.
Connector J2 OK.
Circuit breaker CB6 OK.
Wire 1 OK.
POSSIBLE PROBLEMS
Run relay faulty.
Wire 3 faulty.
Circuit breaker CB1 faulty.
Wire 10 faulty.
Fuel gage faulty.
Replace run relay
NO
Wire 12 faulty.
(Para 8-23).
Connector J1 faulty.
Connector P1 faulty.
Fuel level transducer faulty.
YES
6
KNOWN INFO
TEST OPTIONS
Gages do not operate.
Voltage test.
Is 24 vdc present on wire 3
Battery OK.
STE/ICE-R #89.
where wire 3 connects to
Battery cable OK.
REASON FOR QUESTION
circuit breaker CB1?
Wire 9 OK.
If voltage is not present, wire 3
Connector P2 OK.
faulty.
Connector J2 OK.
Circuit breaker CB6 OK.
Wire 1 OK.
Run relay OK.
POSSIBLE PROBLEMS
Wire 3 faulty.
Circuit breaker CB1 faulty.
Wire 10 faulty.
Repair wire 3 (Para
NO
8-48).
YES
2-512
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