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 TL166 to  terminal lug TL168?  If continuity is not present,  200 AMP terminal block to  reverse polarity relay 24 VDC  battery cable is faulty.  e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT)  NO  YES  Continuity Test or  STE/ICE-R Test #91  Replace 200 AMP terminal block to  reverse polarity relay 24 VDC  battery cable (para 20-67).  19.  Faulty 200 AMP reverse  polarity relay.  Faulty 200 AMP terminal block  to reverse polarity relay 24  VDC battery cable.  Faulty 200 AMP terminal block  to reverse polarity relay 24  VDC load cable.  Faulty 200 AMP terminal block  to power distribution panel  (PDP) 24 VDC cable.  Service drive lights OK.  Circuit breaker CB70 OK.  Batteries OK.  200 AMP terminal block OK.  Battery to 200 AMP terminal  block 24 VDC cable assembly  OK.  POSSIBLE PROBLEMS  TM 9-2320-365-20-1  2-274.20 Change 1