TM-9-2350-311-34-1 Maintenance Manual for Volume 1 M109 Hull Download

References Tools Equipment Conditions Materials/Parts INITIAL SETUP TM 9-2350-311-34-1 7-11 BULKHEAD-TO-DRIVER’S INSTRUMENT PANEL WIRING HARNESS This task covers: a. Removal b. Disassembly c. Assembly d. Installation General mechanic’s tool kit (item 14, Appx C) TM 9-2350-311-20-1 Electrical tape — black (item 25, Appx B) Batteries disconnected (TM 9-2350-311-20-1) Lockwashers (2) (item 37, Appx F) Portable instrument panel removed (TM 9-2350-311-20-1) Connector Wire No. Electrical Lead To: No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Service headlight dimmer switch — low beam Service headlight dimmer switch — high beam Service B.O. IR headlight — low beam Service B.O. IR headlight — high beam Not used Master switch circuit B.O. marker light — front Fuel level switch — right lower tank Bilge pump switch — energizing circuit Fuel level switch — right upper tank Fuel prime switch Stop light switch — light switch Light switch — dimmer switch Main light switch power lead 18 17 515 514 459 20 31 450 29 76 75 16 15 Connector Wire No. Electrical Lead To: No. 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Main light switch — panel lights 40 Main light switch — B.O. marker rear 24 Main light switch — B.O. stop light 23 Main light switch — service stop light 22 Main light switch — service taillight 21 High beam indicator light 519 Not used Light circuits 20-24 Driver’s dome light, auxiliary outlet, and trailer receptacle 37-38 Auxiliary outlet and trailer receptacle 37 Not used Driver’s dome light 38 Connector dimmer switch Connector dimmer switch Connector lighting switch Master warning switch 459L 7-48