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 INFRARED HEADLIGHT(S) DOES NOT OPERATE — Continued 0032 00 BY 1. Remove circuit 514 (high beam) plug (1) or 515 (low beam) plug (2) from failing IR service headlight (3). 2. Measure voltage between front main harness circuit 514 plug (1) or 515 plug (2) and ground. 3. Does multimeter read less than 17 volts? BYN 1. Replace IR service headlight lamp unit (WP 0256 00). 2. Verify no faults found. B2Y 1. Check and see if failing IR headlight is located on right side of carrier. 2. Is failing IR headlight located on right side of carrier? B2YN 1. Repair front main harness circuit 514 or 515 between left IR head light and dimmer switch (WP 0312 00). 2. Verify no faults found. 0032 00-5