TM-9-2350-277-20-3 Unit Maintenance Manual Volume 3 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-3 REPLACE REAR MAIN WIRING HARNESS (M577A3 ONLY) — Continued 0363 00 68. Remove two nuts (1), mounts (2)(3), flat washers (4), and screws (5) that secure instrument panel (6) to two struts (7). 69. Support panel (6). Remove two screws (8), flat washers (9), one lockwasher (10), and ground lead (11), from two mounts (12) and upper support (13). Discard lockwasher. 70. Support panel (6) on two struts (7) to gain access to rear of panel. 71. Disconnect circuit 28 lead (14) from fuel gage. 72. Disconnect circuit 451B lead (15) from rear bilge pump ON indicator light. 73. Disconnect circuit 38 lead (16) from instrument panel wiring harness. 74. Disconnect circuit 450 lead (17), circuit 450B lead (18), and circuit 451A lead (19) from bilge pump switch. 75. Disconnect circuit 21 lead (20), circuit 22 lead (21), circuit 23 lead (22), and circuit 24 lead (23) from front main wiring harness. 0363 00-13 Change 1