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 e61. ONE OR BOTH STOPLIGHTS DO NOT ILLUMINATE (CONT) KNOWN INFO TEST OPTIONS REASON FOR QUESTION WARNING CAUTION Read WARNING and CAUTION on following page. Voltage Test or STE/ICE-R Test #89 2-750.2 Change 1 Blackout stoplights illuminate. Main light switch OK. Diode D1A OK. Relay K10 OK. Lamp OK. Composite taillight assembly OK. Turn signal switch OK. Rear lights cable assembly OK. POSSIBLE PROBLEMS Faulty dashboard cable assembly. Faulty diode D1B. Faulty diode D2A. Is continuity present from diode D1B terminal 3 to connector J51 pin 5 (LH) or diode D2A terminal 1 to connector J51 pin 4 (RH)? If 12 continuity is not present wire 461B (LH) or wire 460B (RH) is faulty. If continuity is present, diode D1B (LH) or diode D2A (RH) is faulty. 9. NO Repair wire 461B from diode D1B terminal 3 to connector J51 pin 5 (LH) or wire 460B from diode D2A terminal 1 to connector J51 pin 4 (RH) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). YES Replace diode D1B (LH) or diode D2A (RH) (para 7-9).