TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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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