TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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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 front main harness jack (2) at bulkhead. 4. Measure voltage between front main harness jack (2) pin F (low beam) (3) or pin E (high beam) (4) and ground. 5. Does multimeter read less than 17 volts? B4Y 1. Install right headlight wiring harness circuit 514 or 515 plug on IR head light. 2. Faulty front main wiring harness. Beyond unit maintenance repair. 3. Notify your supervisor. 0032 00-6 B3YN 1. Repair faulty right headlight wiring harness circuit 514/515 (WP 0312 00). 2. Verify no faults found. INFRARED HEADLIGHT(S) DOES NOT OPERATE — Continued 0032 00 TM 9-2350-261-20-1