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 Is continuity present from terminal lug TL172 to terminal lug TL174? If continuity is not present, 200 AMP terminal block to reverse polarity relay 12 VDC load cable is faulty. Continuity Test or STE/ICE-R Test #91 YES NO Circuit breaker CB70 OK. Battery(ies) OK. Cab to chassis ground strap OK. PDP to cab ground cable OK. Shunt OK. Starter to shunt 24 VDC cable OK. Battery to shunt cable assembly OK. Starter to chassis ground cable OK. 200 AMP terminal block OK. 200 AMP terminal block to PDP 12 VDC cable OK. POSSIBLE PROBLEMS 17. Faulty 200 AMP reverse polarity relay. 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. Replace 200 AMP terminal block to reverse polarity relay 12 VDC load cable (para 20-60). TM 9-2320-365-20-1 2-256.30 Change 1 e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT)