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 SERVICE HEADLIGHTS DO NOT WORK — Continued 0031 00 B2Y 1. Check to see if failing headlight is located on right side of carrier. 2. Is failing headlight located on right side of carrier? B2YN 1. Repair front main harness circuit 517 or 518 between left headlight and dimmer switch. 2. Verify no faults found. B3Y 1. Lower trim vane (see your -10). 2. Open power plant front access door (see your -10). 3. Remove right headlight wiring harness plug (1) from connector jack (2) at carrier bulkhead. 4. Measure voltage between front main wiring harness jack (2) pin C (low beam) (3) or pin B (high beam) (4) and ground. 5. Does multimeter read less than 17 volts? B3YN 1. Replace faulty right headlight wiring harness (WP 0312 00). 2. Verify no faults found. 0031 00-3