TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
Page 236 of 1236
TM 9-2350-261-20-1 BLACKOUT MARKER LIGHT(S) AND/OR TAILLIGHT(S) DO NOT OPERATE — Continued 0034 00 2Y 1. Locate failing light(s). 2. Remove circuit 20 plug (1) (BO marker) and/or circuit 24 plug (2) (BO taillight) from failing light jack. 3. Measure voltage between plug pin and ground. 4. Does multimeter read less than 17 volts? 2YN 1. Replace faulty light bulb. For BO marker light (WP 0258 00). For left/right taillight (WP 0264 00). 2. Verify no faults found. 3Y 1. Check to see if one front BO marker light is not operating. 2. Is one front BO marker light not operating? 3YN 1. Repair rear main wiring harness circuit 24 (WP 0312 00). 2. Verify no faults found. 4Y 1. Check to see if right BO marker light is out. 2. Is right BO marker light out? 4YN 1. Repair front main wiring harness circuit 20 (WP 0312 00). 2. Verify no faults found. 0034 00-2