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 4BY 1. Measure resistance between lead ends from circuit breaker terminal 17 (1) to indicator light terminal 3 (2). 2. Does multimeter read 0 ohms? 4BYN 1. Repair/replace faulty lead (WP 0294 00). 2. Verify no faults found. 5BY 1. Replace indicator light assembly (WP 0472 00). 2. Verify no faults found. CY 1. Remove heater harness plug (1) from heater control box jack (2). 2. Measure voltage between heater control box jack (2) pin C (3) and ground with RUN-OFF-START switch in START. 3. Does multimeter read 17 volts or more? CYN GO TO DY (PAGE 0085 00-7) 0085 00-5 Change 1