TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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KNOWN INFO TEST OPTIONS 13. Is continuity present from terminal lug TL99 to terminal lug TL47? REASON FOR QUESTION YES NO 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. 100 AMP reverse polarity relay to PDP 12 VDC cable OK. POSSIBLE PROBLEMS Faulty 100 AMP reverse polarity relay. Faulty battery to 100 AMP reverse polarity relay 12 VDC cable. If continuity is not present, battery to 100 AMP reverse polarity relay 12 VDC cable is faulty. If continuity is present, 100 AMP reverse polarity relay is faulty. Replace 100 AMP reverse polarity relay (para 7-27). Replace battery to 100 AMP reverse polarity relay 12 VDC cable (para 7-67). TM 9-2320-365-20-1 2-256.22 Change 1 e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT)