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Page Title:
ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE (CONT) |
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 TM 9-2320-366-20-2
e92. ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE (CONT)
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
6.
Voltage Test or
Engine oil pressure indicator
STE/ICE-R Test #89
light illuminates.
Is 12 VDC present at
REASON FOR QUESTION
OIL PRESS gage operates.
terminal lug TL60?
Engine starts.
If 12 VDC is not present,
Alternator belts OK.
100 AMP alternator to reverse
Battery(ies) OK.
polarity relay 12 VDC cable or
Engine oil pressure switch OK.
200 AMP alternator to terminal
Relay K11 OK.
block 12 VDC cable is faulty.
Dashboard cable assembly OK.
Engine control cable assembly
NO
OK.
Alternator ground strap OK.
POSSIBLE PROBLEMS
Replace 100 AMP alternator to reverse
Faulty alternator.
polarity relay 12 VDC cable (para 7-72)
YES
Faulty voltage regulator.
or replace 200 AMP alternator to terminal
Faulty 100 AMP alternator to
block 12 VDC cable (para 20-48).
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.
2-1056.4
Change 1
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