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 SERVICE HEADLIGHTS DO NOT OPERATE—Continued 0036 00 BY 1. Remove circuit 17 (high beam) plug (1) or circuit 18 (low beam) plug (2) from failing service headlight jack (3). 2. Measure voltage on main harness circuit 17 plug (1) or circuit 18 plug (2) and ground. 3. Does multimeter read less than 17 volts? YES NO BYN 1. Replace service headlight lamp unit (WP 0276 00). 2. Verify no faults found. 2BY 1. Turn MASTER SWITCH OFF. 2. Install wiring harness circuit 17 (high beam) or 18 (low beam) on service headlight. 3. Repair main wiring harness circuit 17 or 18 between bulkhead and beam selector switch (WP 0294 00). 4. Verify no faults found. 0036 00-3