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TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download

Page 416 of 1760

KNOWN INFO TEST OPTIONS REASON FOR QUESTION Is continuity present from terminal lug TL44 to terminal X1 on PDP? 12. e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT) Continuity Test or STE/ICE-R Test #91 YES NO Replace 100 AMP reverse polarity relay to PDP 24 VDC cable (para 7-81). Replace 100 AMP reverse polarity relay (para 7-27). If continuity is not present, 100 AMP reverse polarity relay to PDP 24 VDC cable is faulty. If continuity is present, 100 AMP reverse polarity relay is faulty. Service drive lights OK. Circuit breaker CB70 OK. Batteries OK. Battery to 100 AMP reverse polarity relay 24 VDC cable OK. POSSIBLE PROBLEMS Faulty 100 AMP reverse polarity relay. Faulty 100 AMP reverse polarity relay to power distribution panel (PDP) 24 VDC cable. CAUTION Read CAUTION on following page. TM 9-2320-365-20-1 2-274.6 Change 1