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 TEST OPTIONS NO YES CAUTION Read CAUTION on following page. Continuity Test or STE/ICE-R Test #91 REASON FOR QUESTION POSSIBLE PROBLEMS 6. Faulty dashboard cable assembly. Faulty rear lights cable assembly. Faulty rear intervehicular 24 VDC (12 pin) cable. e69. TRAILER BLACKOUT STOPLIGHTS DO NOT ILLUMINATE (CONT) 2-832 Change 1 If continuity is not present, wire 23T is faulty. Is continuity present from relay K27 terminal 87 on PDP to connector J51 pin 8? Towing vehicle blackout stoplights OK. Circuit breaker CB39 Trailer electrical system OK. Relay K27 OK. Repair wire 23T from relay K27 terminal 87 on PDP to connector J51 pin 8 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly ( para 7-11).