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TM 9-2320-364-20-2
2-1652
54. 12 AND 24 VOLT SYSTEMS NOT CHARGING OR UNDER CHARGING
(200 AMP) (CONT).
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If alternator is not grounded
through wire 1275, alternator
will not charge.
YES
NO
Repair wire 1275 (see
schematic Fig 2-40) or
notify DS
Maintenance. Verify
repair, go to Step 9 of
this Fault.
3.
Is continuity measured
between wire 1275 and a
known good ground?
WARNING
Read WARNING
on Page 2-1653
Both voltmeters indicate low
charge.
Batteries OK.
Fuel pump operates indicating
24 vdc present at CB24.
Alternator belts OK.
Fusible link loop OK.
Wire 1275 from alternator
ground to battery negative faulty.
Alternator faulty.
Voltage regulator faulty.
Wire 1020A faulty.
Oil pressure switch faulty.
Wire 1020B faulty.
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