TM 9-2350-277-20-3REPLACE REAR MAIN WIRING HARNESS (M577A3 ONLY) — Continued 0363 0023. Disconnect circuit 30 lead (1) from left fuel quantity sending unit (2).24. Remove lockwire (3), one screw (4), lockwasher (5), and ground lead (6) from sending unit (2). Discard lockwire andlockwasher.25. Remove two screws (7), clamps (8), lockwashers (9), and ground lead (6) from two weldnuts (10). Remove clamps (8)from circuit 30 lead (1). Discard lockwashers.26. Disconnect circuit 402 lead (11) from personnel heater fuel pump (12).27. Remove screw (13), lockwasher (14), and clamp (15) from weldnut (16). Remove clamp (15) from rear main wiringharness (17). Discard lockwasher.28. Remove two screws (18), nuts (19), clamp (20), and rear main wiring harness (17) from floor transverse beam (21).29. Remove screw (22), nut (23), and clamp (20) from rear main wiring harness (17).30. Remove three screws (24), lockwashers (25), clamps (26), and rear main wiring harness (17) from three weldnuts.Discard lockwashers.0363 00-6
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