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 HIGH BEAM INDICATOR LIGHT MALFUNCTIONS—Continued 0051 00 BY 1. Remove main harness plug (1) from beam selector switch jack (2). 2. Measure resistance between beam selector switch jack (2) pins D (3) and B (4) and between pins F (5) and H (6). 3. Did multimeter read 0 ohms for both measurements? YES NO BYN 1. Replace beam selector switch (WP 0273 00). 2. Verify no faults found. 2BY 1. Install jumper wire between main harness beam selector switch plug (1) pins D (2) and H (3). 2. Measure resistance between pins on plug (4). 3. Does multimeter read 0 ohms? YES NO 2BYN 1. Repair main harness circuits 519 or 519A (WP 0294 00). 2. Verify no faults found. 3BY 1. Replace high beam indicator light (WP 0258 00). 2. Verify no faults found. 0051 00-3/4 blank