TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
Page 670 of 1824
TM 9-2320-366-20-1 2-402 Change 1 e21. TACHOMETER DOES NOT ILLUMINATE (CONT) 2. KNOWN INFO TEST OPTIONS REASON FOR QUESTION WARNING CAUTION Read WARNING and CAUTION on following page. Voltage Test or STE/ICE-R Test #89 Hazard lights switch illuminates. POSSIBLE PROBLEMS Faulty auxiliary panel cable assembly. Faulty dashboard cable assembly. Faulty tachometer. Is 12 VDC present at connector P901 socket 2? If 12 VDC is present, tachometer is faulty. Replace tachometer (para 7-21). YES NO Go to step 3 of this fault.