TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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e59. ONE OR BOTH STOPLIGHTS DO NOT ILLUMINATE (CONT) TM 9-2320-365-20-1 2-722.2 Change 1 WARNING Read WARNING on following page. 13. Is 12 VDC present at relay K10 terminal 86? TEST OPTIONS Voltage Test or STE/ICE-R Test #89 REASON FOR QUESTION KNOWN INFO 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. Diode D1A OK. POSSIBLE PROBLEMS Faulty dashboard cable assembly. Faulty relay K10. Repair wire 1940 from relay K10 terminal 86 to terminal board TB1 position 29 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). YES If 12 VDC is not present, wire 1940 is faulty. NO