TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT) KNOWN INFO POSSIBLE PROBLEMS 2. TEST OPTIONS REASON FOR QUESTION Faulty cab to chassis ground strap. Faulty PDP to cab ground cable. Faulty dashboard cable assembly. Faulty shunt. Faulty starter to shunt 24 VDC cable. Faulty battery to shunt cable assembly. Faulty starter to chassis ground cable. Faulty 100 AMP reverse polarity relay. Faulty battery to 100 AMP reverse polarity relay 12 VDC cable. Faulty 100 AMP reverse polarity relay to PDP 12 VDC cable. Faulty 200 AMP reverse polarity relay. Faulty 200 AMP terminal block. Faulty 200 AMP terminal block to PDP 12 VDC cable. Faulty 200 AMP terminal block to reverse polarity relay 12 VDC load cable. Faulty 200 AMP terminal block to reverse polarity relay 12 VDC battery cable. Faulty battery to 200 AMP terminal block 12 VDC cable assembly. Circuit breakers CB70 OK. Battery(ies) OK. Continuity Test or STE/ICE-R Test #91 This question eliminates possible problems and determines where troubleshooting continues. Is continuity present from terminal X3 on power distribution panel (PDP) to terminal lug TL64? NO YES Go to step 6 of this fault. TM 9-2320-365-20-1 2-256 Change 1