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TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download

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TM 9-2320-366-20-1 KNOWN INFO 7. TEST OPTIONS CAUTION Read CAUTION on following page. Continuity Test or STE/ICE-R Test #91 REASON FOR QUESTION POSSIBLE PROBLEMS Faulty rear lights cable assembly. Faulty rear intervehicular 24 VDC (12 pin) cable. e69. TRAILER BLACKOUT STOPLIGHTS DO NOT ILLUMINATE (CONT) 2-834 Change 1 Is continuity present from connector P51 socket 8 to connector P53R socket 6? If continuity is not present, wire 23T is faulty. If continuity is present, intervehicular 24 VDC (12 pin) cable is faulty. Towing vehicle blackout stoplights OK. Circuit breaker CB39 OK. Trailer electrical system OK. Dashboard cable assembly OK. Relay K27 OK. NO YES Replace intervehicular 24 VDC cable (para 7-129). Repair wire 23T from connector P51 socket 8 to connector P53R socket 6 (para 2-45) or replace M1083/M1084/M1085/M1090/M1090/M1092/ M1093/M1094 rear lights cable assembly (para 7-84) or M1086/M1088/M1089 rear lights cable assembly (para 7-104).