TM 9-2350-277-20-3REPLACE REAR MAIN WIRING HARNESS (M577A3 ONLY) — Continued 0363 0046. Pull circuit 21 lead (1), circuit 22 lead (2), circuit 23 lead (3), circuit 24 lead (4), and circuit 451 lead (5) through openingin floor transverse beam (6).47. Install clamp (7) on rear main wiring harness (8). Secure clamp (7) and trailer wiring harness ground lead (9) on weldnut(10) with two new lockwashers (11) and screw (12).48. Connect circuit 451 lead (5) to rear bilge pump (13).49. Connect circuit 21 lead (1), circuit 22 lead (2), circuit 23 lead (3), and circuit 24 lead (4) to trailer wiring harness (14).50. Install clamp (15) on rear main wiring harness (8). Secure clamp with screw (16) and nut (17).51. Install clamp (15) and rear main wiring harness (8) on transverse beam (6). Secure with two screws (18) and nuts (19).52. Install clamp (20) on rear main wiring harness (8). Secure clamp on weldnut (21) with new lockwasher (22) andscrew (23).0363 00-24
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