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 2-716.2 Change 1 WARNING Read WARNING on following page. 7. Is 12 VDC present at diode D1B-4 (LH) or diode D2A-2 (RH)? TEST OPTIONS Voltage Test or STE/ICE-R Test #89 REASON FOR QUESTION If 12 VDC is not present wire 461B (LH) or wire 460B (RH) is faulty. KNOWN INFO Blackout stoplights illuminate. Main light switch OK. Diode D1A OK. Relay K10 OK. Lamp OK. Composite taillight assembly OK. Turn signal switch OK. POSSIBLE PROBLEMS Faulty rear lights cable assembly. Faulty dashboard cable assembly. Faulty diode D1B. Faulty diode D2A. NO Repair wire 461B from diode D1B terminal 4 to connector J19 pin 2 (LH) or wire 460B from diode D2A terminal 2 to connector J19 pin 3 (RH) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). YES