TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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e21. TACHOMETER DOES NOT ILLUMINATE Personnel Required (2) References TM 9-4910-571-12&P 1. KNOWN INFO Hazard lights switch illuminates. POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION YES START This question eliminates possible problems and determines where troubleshooting continues. Faulty auxiliary panel cable assembly. Faulty dashboard cable assembly. Faulty tachometer. NO Continuity Test or STE/ICE-R Test #91 CAUTION Read CAUTION on following page. Is continuity present from connector P901 socket 1 to a known good ground? Go to step 4 of this fault. INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-365-10). Tools and Special Tools Tool Kit, Genl Mech (Item 44, Appendix C) STE/ICE-R (Item 39, Appendix C) Multimeter, Digital (Item 22, Appendix C) Wrench, Torque, 0-200 lb-in. (Item 58, Appendix C) TM 9-2320-365-20-1 2-390 Change 1