TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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KNOWN INFO TEST OPTIONS REASON FOR QUESTION YES WARNING Read WARNING on following page. 7. NO e89. ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE (CONT) Voltage Test or STE/ICE-R Test #89 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. Alternator ground strap OK. 100 AMP alternator to reverse polarity relay 12 vdc cable OK. 200 AMP alternator to terminal block 12 VDC cable OK. 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. Replace 100 AMP alternator to reverse polarity relay 24 VDC cable (para 7-66) or replace 200 AMP alternator to terminal block 24 VDC cable (para 20-61). If 24 VDC is not present, 100 AMP alternator to reverse polarity relay 24 VDC cable or 200 AMP alternator to terminal block 24 VDC cable is faulty. Is 24 VDC present at terminal lug TL2? TM 9-2320-365-20-1 2-1016.6 Change 1