TM 9-2350-277-20-3
REPLACE REAR MAIN WIRING HARNESS (M577A3 ONLY) — Continued
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27. If NBC unit is installed, connect circuit 415 lead (1) to NBC unit.
28. Connect circuit 402 lead (2) to personnel heater wiring harness.
29. Connect circuit 400 lead (3) to personnel heater control box.
30. Install six clamps (4) on circuit 48 lead (5). Secure clamps (4) to six weldnuts (6) with six screws (7).
31. Install two new lockwashers (8), circuit 48 capacitor (9), and ground lead (10) on weldnut (11). Secure with screw (12).
32. Install circuit 48 lead connector (13) on bracket (14). Secure with four screws (15) and nuts (16).
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