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TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download

Page 791 of 1275

TM 9-2350-311-20-1 8-57 PORTABLE INSTRUMENT PANEL WIRING HARNESS — CONTINUED a. Removal 1 Disconnect wiring harness connector (15) at hull bulkhead in driver’s compartment. 2 Loosen four studs (19) at portable instrument panel (20). Pull cover (21) outward to expose electrical leads to instruments. 3 Remove nut (22) and Iockwasher (23). Release ground lead (9) and replace nut and Iockwasher on screw (24). 4 Disconnect 21 electrical connectors (1 thru 8, 10 thru 14, 16, 17, and 18) at instrument panel. Connector (12) is plugged on M109A4/M109A5 Howitzers. 5 Remove wiring harness (25) and grommet (26) from portable instrument panel (20). b. Disassembly/Repair Disassemble wiring harness (para 2-13). 8-146