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 IN BLACKOUT MODE, FLUORESCENT LIGHTS OPERATE INCORRECTLY (M1068A3 ONLY)—Continued 0101 00 AY 1. Set MASTER SWITCH to OFF. 2. Remove cable W28, plug P1 (1) from adapter plug P1 (2). 3. Measure resistance between cable W28 plugs P1 and P2 (3). 4. Does multimeter read 0 ohms? YES NO AYN 1. Replace cable W28 (WP 0849 00). 2. Verify no faults found. A2Y 1. Remove lead 38B (1) from adapter plug P3 (2). 2. Set MASTER SWITCH to ON. 3. Measure voltage between lead 38B (1) and ground. 4. Does multimeter read 22 volts DC or more? YES NO A2YN 1. Refer to: Dome Light Malfunction (M577A3 Only) (WP 0040 00). 0101 00-3