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TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download

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e21. TACHOMETER DOES NOT ILLUMINATE (CONT) 3. TEST OPTIONS Voltage Test or STE/ICE-R Test #89 REASON FOR QUESTION If 12 VDC is not present, wire 1908 in dashboard cable assembly is faulty. If 12 VDC is present, wire 1908 in auxiliary panel cable is faulty. KNOWN INFO Hazard lights switch illuminates. Tachometer OK. POSSIBLE PROBLEMS Faulty auxiliary panel cable assembly. Faulty dashboard cable assembly. WARNING CAUTION Read WARNING and CAUTION on following page. YES NO Is 12 VDC present at connector J913 socket 11? Repair wire 1908 from connector J913 socket 11 to connector PX14A socket 1 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). Repair wire 1908 from connector P913 pin 11 to connector P901 socket 2 (para 2-40) or replace auxiliary panel cable assembly (para 7-49). TM 9-2320-365-20-1 2-392.2 Change 1