TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download

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TM 9-2350-277-20-1 WAIT INDICATOR LIGHT DOESN’T LIGHT—Continued 0019 00 4Y 1. Remove knurled nut from WAIT indicator (1) and instrument panel (2). 2. Remove WAIT indicator (1) from instrument panel (2). 3. Check resistance between WAIT indicator’s terminals. 4. Does multimeter read approximately 240 ohms of resistance? YES NO 4YN 1. Faulty WAIT indicator on wiring harness 12349881–2. Beyond unit maintenance repair. 2. Notify supervisor. 5Y 1. Check circuit 406B lead (1) for continuity. 2. Does multimeter read 0 ohm? YES NO 5YN 1. Faulty circuit 406B lead on wiring harness 12349881–2. Beyond unit maintenance repair. 2. Notify supervisor. 0019 00-3