TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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KNOWN INFO TEST OPTIONS 12. REASON FOR QUESTION NO Continuity Test or STE/ICE-R Test #91 Is continuity present from terminal lug TL80 to terminal X2 on PDP? CAUTION Read CAUTION on following page. YES If continuity is not present, 100 AMP reverse polarity relay to PDP 12VDC cable is faulty. Replace 100 AMP reverse polarity relay to PDP 12 VDC cable (para 7-130). TM 9-2320-366-20-1 2-266.20 Change 1 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. POSSIBLE PROBLEMS 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. e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT)