TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 HORN DOES NOT OPERATE—Continued 0044 00 2Y 1. Remove right headlight wiring harness circuit 25 plug (1) from horn jack (2). 2. Turn MASTER SWITCH ON. 3. (H) Measure voltage between main wiring harness circuit 25 plug (1) and ground with horn button depressed. 4. Does multimeter read less than 17 volts? YES NO 2YN 1. Replace horn (WP 0289 00). 2. Verify no faults found. 0044 00-2