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 INSTRUMENT PANEL ILLUMINATION LIGHTS MALFUNCTION — Continued 0038 00 3Y 1. Turn MASTER SWITCH to OFF (see your -10). 2. Install instrument panel light bulbs. 3. Install instrument panel illumination light cover, lenses, and gaskets. 4. Remove instrument panel for access (WP 0238 00). 5. Remove front main harness plug (1) from lighting control switch jack (2). 6. Remove front main harness circuit 40 plug (3) from either illumination light jack (4). 7. Measure resistance between front main harness lighting control switch plug (1), pin B (5), and illumination light plug circuit 40 (3). 8. Does multimeter read 0 ohms? 3YN 1. Repair front main harness circuit 40 (WP 0312 00). 2. Verify no faults found. 4Y 1. Replace main light switch (WP 0242 00). 2. Verify no faults found. 0038 00-3