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 BLACKOUT DOME LIGHTS DO NOT WORK (M1068A3 ONLY)—Continued 0041 00 Y 1. Turn MASTER SWITCH to OFF. 2. Remove light bulbs from dome light (WP 0312 00). 3. Check continuity between light bulb center contact (1) and bulb base (2). 4. Is there continuity? YES NO YN 1. Replace dome light bulbs (WP 0312 00). 2. Verify no faults found. 2Y 1. Repair dome light assembly (WP 0312 00). 2. Verify no faults found. AY 1. Turn MASTER SWITCH to OFF. 2. Remove cable W28 plug P1 (1) from adapter plug (2). 3. Measure resistance between cable W28 plugs P1 (1) and P2 (3). 4. Does multimeter read zero ohms? YES NO AYN 1. Replace cable W28 (WP 0849 00). 2. Verify no faults found. 0041 00-2