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 HORN DOES NOT OPERATE — Continued 0037 00 3Y 1. Turn MASTER SWITCH to OFF (see your -10). 2. Install jumper wire between right headlight wiring harness circuit 25 plug (1) and ground. 3. Remove right headlight wiring harness plug (2) from front main harness (3) at carrier bulkhead. 4. Measure resistance between right headlight wiring harness plug (2), pin A (4), and ground. 5. Does multimeter read 0 ohms? 3YN 1. Remove jumper wire. 2. Repair right headlight wiring harness circuit 25 (WP 0312 00). 3. Verify no faults found. 0037 00-3