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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.
7.
Voltage Test or
Engine oil pressure indicator
STE/ICE-R Test #89
light illuminates.
Is 24 VDC present at
REASON FOR QUESTION
OIL PRESS gage operates.
terminal lug TL2?
Engine starts.
If 24 VDC is not present,
Alternator belts OK.
100 AMP alternator to reverse
Battery(ies) OK.
polarity relay 24 VDC cable or
Engine oil pressure switch OK.
200 AMP alternator to terminal
Relay K11 OK.
block 24 VDC cable is faulty.
Dashboard cable assembly OK.
Engine control cable assembly
NO
OK.
Alternator ground strap OK.
100 AMP alternator to reverse
polarity relay 12 VDC cable
Replace 100 AMP alternator to reverse
OK.
polarity relay 24 VDC cable (para 7-73) or
200 AMP alternator to terminal
YES
replace 200 AMP alternator to terminal
block 12 VDC cable OK.
block 24 VDC cable (para 20-50).
POSSIBLE PROBLEMS
Faulty alternator.
Faulty voltage regulator.
Faulty 100 AMP alternator to
reverse polarity relay 24 VDC
cable.
Faulty 200 AMP alternator to
terminal block 24 VDC cable.
2-1056.6
Change 1
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