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 BLACKOUT DRIVE LIGHT DOES NOT WORK — Continued 0030 00 5Y 1. Measure resistance between front main harness circuit 520 plug (1) and lighting control switch plug (2) pin D (3). 2. Does multimeter read 0 ohms? 5YN 1. Install front main harness circuit 19 plug on IR/BO selector switch jack. 2. Repair front main harness circuit 520 (WP 0312 00). 3. Verify no faults found. 6Y 1. Install front main harness circuit 520 plug on IR/BO selector switch jack. 2. Install front main harness plug on light control switch jack. 3. Repair front main harness circuit 19 (WP 0312 00). 4. Verify no faults found. 0030 00-3/4 blank