TM 9-2320-365-20-2 2-1330 YES NO KNOWN INFO TEST OPTIONS REASON FOR QUESTION Voltage Test or STE/ICE-R #89 YES NO KNOWN INFO TEST OPTIONS REASON FOR QUESTION Voltage Test or STE/ICE-R #89 6. Other indicator lights illuminate. Audible alarm sounds when FRONT BRAKE AIR or REAR BRAKE AIR pressure gage reads less than 65 psi. Circuit breaker CB50 OK. Lighted indicator display OK. Dashboard cable assembly OK. Auxiliary panel cable assembly OK. POSSIBLE PROBLEMS 7. Other indicator lights illuminate. Audible alarm sounds when FRONT BRAKE AIR or REAR BRAKE AIR pressure gage reads less than 65 psi. Circuit breaker CB50 OK. Lighted indicator display OK. Dashboard cable assembly OK. Auxiliary panel cable assembly OK. POSSIBLE PROBLEMS WARNING Read WARNING on following page. Is 24 vdc present at connector P173-A? If 24 vdc is not present, wire 2010 is faulty. Repair wire 2010 (para 2-40) or replace M1079 12/24 vdc power cable (para 7-51). WARNING Read WARNING on following page. Is 24 vdc present at connector P173-F? If 24 vdc is not present, wire 2006 is faulty. Repair wire 2006 (para 2-40) or replaceM1079 12/24 vdc power cable (para 7-51). Faulty M1079 12/24 vdc power cable. Faulty door ajar switch. Faulty wire 2006. Faulty wire 1506. Faulty wire 3086. Faulty wire 2010. Faulty flasher ECU. Faulty M1079 12/24 vdc power cable. Faulty door ajar switch. Faulty wire 2006. Faulty wire 1506. Faulty wire 3086. Faulty wire 2010. Faulty flasher ECU. e118.  M1079 VAN DOOR OPEN INDICATOR DOES NOT OPERATE (CONT)