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 AND/OR BLACKOUT STOPLIGHTS MALFUNCTION — Continued 0033 00 BY 1. Remove rear harness circuit 22 plug (1) from jack (2) on malfunctioning left taillight, or circuit 23 plug from jack on malfunctioning right taillight. 2. Turn main light switch lever on lighting control switch to STOPLIGHT or to BO MARKER. 3. Measure voltage between circuit 22 (left) plug (1) or circuit 23 (right) plug and ground with both steering levers locked in parking brake position. 4. Does multimeter read less than 17 volts? BYN 1. Install rear main harness jack on taillight. 2. Replace service stop or BO stoplight bulb (WP 0256 00). 3. Verify no faults found. B2Y 1. Remove rear main harness circuit 22 plug (left) (1) or circuit 23 plug (right) (2) from front main wiring harness circuit 22 jack (3) or circuit 23 jack (4). 2. Measure voltage between rear main harness circuit 22 jack (2) or circuit 23 jack (3) and ground. 3. Does multimeter read less than 17 volts? B2YN 1. Repair rear main harness circuit 22 or circuit 23 (WP 0312 00). 2. Verify no faults found. 0033 00-3