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TM 9-2320-366-20-2
e92. ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE (CONT)
KNOWN INFO
TEST OPTIONS
5.
Engine oil pressure indicator
Continuity Test or
light illuminates.
STE/ICE-R Test #91
Is continuity present from
OIL PRESS gage operates.
REASON FOR QUESTION
terminal lug TL58 to
Engine starts.
If continuity is not present,
ground?
Alternator belts OK.
alternator ground strap is
Battery(ies) OK.
faulty.
Engine oil pressure switch OK.
Relay K11 OK.
Dashboard cable assembly OK.
Engine control cable assembly
NO
OK.
POSSIBLE PROBLEMS
Faulty alternator ground strap.
Faulty alternator.
Replace alternator ground strap
YES
Faulty voltage regulator.
(para 7-71).
Faulty 100 AMP alternator to
reverse polarity relay 12 VDC
cable.
Faulty 200 AMP alternator to
terminal block 12 VDC cable.
Faulty 100 AMP alternator to
reverse polarity relay 24 VDC
cable.
Faulty 200 AMP alternator to
terminal block 24 VDC cable.
2-1056.2
Change 1

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