TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
Page 1322 of 1824
TM 9-2320-366-20-1 e61. ONE OR BOTH STOPLIGHTS DO NOT ILLUMINATE (CONT) 2-758.2 Change 1 KNOWN INFO TEST OPTIONS REASON FOR QUESTION Faulty dashboard cable assembly. Faulty diode D1A. POSSIBLE PROBLEMS Blackout stoplights illuminate. Lamp OK. Rear lights cable assembly OK. Composite taillight assembly OK. Turn signal switch OK. Diode D1B OK. Diode D2A OK. Main light switch OK. Relay K10 OK. 17. Is continuity present from terminal board TB1 position 27 to diode D1A terminal 1? If continuity is not present, wire 22 is faulty. Continuity Test or STE/ICE-R Test #91 NO Repair wire 22 from terminal board TB1 position 27 to diode D1A terminal 1 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). YES Replace diode D1A (para 7-9).