TM 9-2350-277-20-1INFRARED HEADLIGHT(S) DON’T WORK—Continued 0032 00AY1. Remove circuit 514 (high beam) plug (1) or 515 (low beam) plug(2) from failing IR service headlight (3).2. Measure voltage between harness 12349881 circuit 514 plug (1)or 515 plug (2) and ground.3. Does multimeter read less than 17 volts?YESNOAYN1. Replace IR service headlight bulb(WP 0303 00) or (WP 0304 00).2. Verify no faults found.A2Y1. Is failing IR headlight located on right side of carrier?YESNOA2YN1. Repair circuit 514 or 515 betweenleft IR head light and dimmer switch(WP 0382 00).2. Verify no faults found.A3Y1. Remove harness 8763491 plug (1) from harness 12349881 jack(2) at bulk head.2. Measure voltage between harness 12349881 jack (2) pin F (lowbeam) (3) or pin E (high beam) (4) and ground.3. Does multimeter read less than 17 volts?YESNOA3YN1. Faulty harness 8763491. Beyondunit maintenance repair.2. Notify supervisor.0032 00-5
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