KNOWN INFO
TEST OPTIONS
NO
Is continuity present from
terminal lug TL58 to
ground?
5.
REASON FOR QUESTION
If continuity is not present,
alternator ground strap is
faulty.
YES
e89. ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE (CONT)
Replace alternator ground strap
(para 7-64).
POSSIBLE PROBLEMS
Faulty alternator ground strap.
Faulty alternator.
Faulty voltage regulator.
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.
Engine oil pressure indicator
light illuminates.
OIL PRESS gage operates.
Engine starts.
Alternator belts OK.
Battery(ies) OK.
Engine oil pressure switch OK.
Relay K11 OK.
Dashboard cable assembly OK.
Engine control cable assembly
OK.
Continuity Test or
STE/ICE-R Test #91
TM 9-2320-365-20-1
2-1016.2 Change 1