4.
TEST OPTIONS
REASON FOR QUESTION
NO
YES
e89. ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE (CONT)
Go to step 9 of this fault.
KNOWN INFO
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.
POSSIBLE PROBLEMS
Faulty dashboard cable
assembly.
Faulty engine control cable
assembly.
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.
Continuity Test or
STE/ICE-R Test #91
This question eliminates
possible problems and
determines where
troubleshooting continues.
Is continuity present from
relay K11 socket 87A on
PDP to terminal lug TL35?
TM 9-2320-365-20-1
2-1016 Change 1
