TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 DOME LIGHTS MALFUNCTION (M577A2 ONLY) — Continued 0042 00 DY 1. Turn blackout dome lights on using front dome light switch. 2. Remove circuit 38 plug (1) from rear dome light switch jack (2). 3. Measure voltage between circuit 38 plug (1) and ground. 4. Does multimeter read 17 volts or more? DYN 1. Turn MASTER SWITCH to OFF (see your -10). 2. Repair rear main harness circuit 38 (WP 0312 00). 3. Verify no faults found. D2Y 1. Turn MASTER SWITCH to OFF (see your -10). 2. Replace rear dome light switch (WP 0279 00). 3. Verify no faults found. EY 1. Turn dome lights on using rear dome light switch. 2. Remove circuit 38 plug (1) from front dome light switch jack (2). 3. Measure voltage between circuit 38 plug (1) and ground. 4. Does multimeter read 17 volts or more? EYN 1. Turn MASTER SWITCH to OFF (see your -10). 2. Repair wiring harness circuit 38 (WP 0312 00). 3. Install master switch panel on distribution box. 4. Verify no faults found. 0042 00-5