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 TEST OPTIONS REASON FOR QUESTION KNOWN INFO NO YES Voltage Test or STE/ICE-R Test #89 WARNING CAUTION Read WARNING and CAUTION on following page. 3. Replace rear intervehicular 12 VDC (7 pin) cable (para 7-128). 2-856 Change 1 POSSIBLE PROBLEMS Faulty rear lights cable assembly. Faulty rear intervehicular 12 VDC (7 pin) cable. Repair wire 22C from connector P51 socket 13 to connector P52R pin 6 (para 2-45) or replace rear lights cable assembly (para 7-84 or 7-104). Is 12 VDC present at connector P52R pin 6? If 12 VDC is not present, wire 22C is faulty. If 12 VDC is present, rear intervehicular 12 VDC (7 pin) cable is faulty. Towing vehicle stoplights illuminate. Towed vehicle stoplights OK. Dashboard cable assembly OK. e73. INTERVEHICULAR STOPLIGHTS DO NOT ILLUMINATE (CONT)