ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE (CONT)

TM 9-2320-366-20-2

e92. ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE (CONT)

KNOWN INFO

Engine oil pressure indicator

TEST OPTIONS

light illuminates.

Is continuity present from

Continuity Test or

OIL PRESS gage operates.

relay K11 terminal 30 to

STE/ICE-R Test #91

Engine starts.

terminal 87A?

REASON FOR QUESTION

Alternator belts OK.

Battery(ies) OK.

If continuity is not present,

Engine oil pressure switch OK.

relay K11 is faulty.

POSSIBLE PROBLEMS

Faulty relay K11.

Faulty dashboard cable

assembly.

Faulty engine control cable

assembly.

Faulty alternator ground strap.

Faulty alternator.

YES

Replace relay K11 (para 7-9).

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.

2-1054

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