TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311 -20-1 8-43 POWERPLANT WIRING HARNESS (M109A2/M109A3) — CONTINUED a. Removal WARNING Ensure MASTER switch is OFF when working on hull electrical system to avoid electrical shocks and bums. 1 Disconnect five connectors (18 thru 22). NOTE • On vehicles with engine model 7083-7396, connectors 14, 15, and 16 are part of connector 22 and are used for the flame heater system. On vehicles with engine model 7083-7391, connectors 14, 15, and 16 are part of connector 22 and are used for the glow plug controller system. Ž Access to wires 10 thru 12 will be through driver’s compartment. Ž Powerplant must be removed to remove starter leads (9 and 13) (para 4-5). 2 Disconnect 11 connectors (1 thru 8 and 10 thru 12). 3 Remove two nuts (23) and two flat washers (24). Remove two leads (9 and 13) at starter solenoid (25). 4 Remove two screws (26), two clamps (27), two screws (28), and two clamps (29). Place four screws back into engine. 5 Remove powerplant wiring harness. b. Disassembly/Repair 1 Remove electrical tape where necessary for disassembly. 2 Isolate and separate wiring harness branches. 3 Disassemble wiring branch (para 2-13) of wires to be replaced. c. Assembly 1 Assemble wiring branch (para 2-13) of wires replaced. 2 Apply electrical tape as necessary for assembly. 8-105