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 2CY 1. Install heater harness plug on heater control box jack. 2. Remove heater harness plug (1) from heater jack (2). 3. Measure voltage between heater harness plug (1) pin C (3) and ground with RUN-OFF-START switch in START. 4. Does multimeter read 17 volts or more? 2CYN 1. Faulty heater wiring harness. 2. Notify your supervisor. 3CY 1. Faulty vehicle compartment heater. Replace vehicle compartment heater (WP 0427 00, WP 0428 00, WP 0429 00, WP 0430 00, WP 0431 00, WP 0432 00, WP 0433 00, WP 0434 00, WP 0435 00, WP 0437 00, WP 0438 00, WP 0439 00,WP 0446 00 or WP 0447 00). 2. Verify no faults found. 0085 00-6 Change 1