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 VEHICLE COMPARTMENT HEATER MALFUNCTIONS — Continued 0085 00 HY 1. Remove heater control box (WP 0431 00). 2. Measure resistance between HI-LO switch terminals 12 (1) and 13 (2). 3. Does multimeter read 0 ohms? HYN 1. Replace heater HI-LO switch (WP 0472 00). 2. Verify no faults found. 2HY 1. Repair lead between HI-LO switch and jack or between HI-LO switch and RUN-OFF-START switch (WP 0294 00). 2. Verify no faults found. 0085 00-11/12 blank Change 1