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 2-726.2 Change 1 Is continuity present from terminal board TB1 position 27 to diode D1A terminal 1? 17. TEST OPTIONS Continuity Test or STE/ICE-R Test #91 REASON FOR QUESTION If continuity is not present, wire 22 is faulty. 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. Relay K10 OK. POSSIBLE PROBLEMS Faulty dashboard cable assembly. Faulty diode D1A. NO Repair wire 22 from terminal board TB1 position 27 to diode D1A terminal 1 (para 2-40) 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).