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 NO YES Continuity Test or STE/ICE-R Test #91 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. 200 AMP terminal block to reverse polarity relay 12 VDC load cable OK. 200 AMP terminal block to reverse polarity relay 12 VDC battery cable OK. POSSIBLE PROBLEMS Faulty 200 AMP reverse polarity relay. Faulty battery to 200 AMP terminal block 12 VDC cable assembly. 19. Is continuity present from terminal lug TL47 to terminal lug TL99? If continuity is not present, battery to 200 AMP terminal block 12 VDC cable assembly, is faulty. If continuity is present, 200 AMP reverse polarity relay is faulty. Replace battery to 200 AMP terminal block 12 VDC cable assembly (para 20-63). Replace 200 AMP reverse polarity relay (para 20-58). TM 9-2320-365-20-1 2-256.34 Change 1 e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT)