TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
Page 242 of 1236
TM 9-2350-261-20-1 SERVICE TAILLIGHT DOES NOT OPERATE — Continued 0035 00 2Y 1. Remove rear main harness circuit 21 plug (1) from front main harness circuit 21 jack (2) on instrument panel. 2. Measure voltage between front main harness jack (2) and ground. 3. Does multimeter read less than 17 volts? 2YN 1. Repair rear main harness circuit 21 (WP 0312 00). 2. Verify no faults found. 3Y 1. Turn MASTER SWITCH to OFF (see your -10). 2. Remove instrument panel for access (WP 0238 00). 3. Remove front main harness plug (1) from lighting control switch jack (2). 4. Measure resistance between lighting control switch jack (2), pin H (3), and circuit 21 jack (4). 5. Does multimeter read 0 ohms? 3YN 1. Install rear main harness circuit 21 plug on left taillight jack. 2. Repair front main harness circuit 21 (WP 0312 00). 3. Verify no faults found. 0035 00-2 4Y 1. Install rear main harness circuit 21 plug on left taillight jack. 2. Replace main light switch (WP 0242 00). 3. Verify no faults found.