TM-9-2350-277-34 Direct and General Maintenance Manual M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-34 FINAL TEST – COOLANT HEATER — Continued 0077 00 ELECTRICAL WIRING 1. Wire the heater (3) as shown on WP 0075 00, using the regular wiring harness. Connect a voltmeter (4) across the circuit. Insert an ammeter (5) between the hot lead of the control box (6) and the power source (7). 2. Use a fully charged battery for the power source. 0077 00-4