TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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SECTION 1. POWERPLANT ELECTRICAL SYSTEMS 8-1 POWERPLANT ELECTRICAL SYSTEM DIAGRAMS NOTE M109A2/M109A3 powerplant electrical system is pictured here. For M109A4/M109A5 powerplant electrical system, see paragraph 8-44. Connector Wire Connector Wire No. Electrical Lead To: No. No. Electrical Lead To: No. 1 Aeration detector 352A 11 Air cleaner blower motor switch 415 2 Aeration detector 3526 12 Engine oil pressure transmitter 36 3 Transmission oil temperature transmitter 324 13 Starter motor solenoid from master relay 82 4 Transmission oil high temperature switch 509D 14 Flame heater ignition coil 486 5 Transmission oil low pressure switch 509C 15 Flame heater air pump 486 6 Transmission oil pressure transmitter 321 16 Flame heater solenoid 486A 7 Engine coolant high temperature 509A 17 Fuel prime pump 588 8 Engine coolant temperature transmitter 33A 18 Master circuit harness 12268102 9 Starter motor solenoid from starter relay 146 19 Starter cable connector 82 10 Engine oil low pressure switch 5096 8-4 TM9-2350-311-20-1