Index 6-Volt Lighting Equipment (Serial No. 13000-25999) 12-Volt Starting Equipment (Serial No. 13000-25999) 12-Volt Starting and Lighting Equipment (Serial No. 13000-25999) Lamps and Wiring (Serial No. 26000 and after) Instrument Panel and Generator Wiring (Serial No. 26000 and after) Page 2 WIRING DIAGRAMS FOR STARTING, LIGHTING, ALSO STARTING AND LIGHTING COMBINATION FOR THE NEW MODEL “GM” TRACTOR In order to furnish servicemen with the same also starting and lighting combination are being valuable information about starting and lighting published in this bulletin. equipment now available for the new Model These diagrams are easy to understand, but “GM” which was furnished for Models “A’’, they should be carefully studied in order to be- “B” and ‘‘D” Tractors in Field Service Bulletin come thoroughly familiar with this new equip- No. 107-S, wiring diagrams for starting, lighting, ment. we Starting Motor tt – Switch r a ee ——@) Ammeter j | ithe Generator Control ~~ | ra Batteries (Light Switch) | (2~ 6 Volt) Generator WIRES } Description Color of Covering Generator Field Terminal * ‘F”? to Resistor, Green on MODEL “GM” TRACTOR Terminal on Swit Yellow Generator Cutout. to Ammeter | Blk. on Yellow ee e e A t t tart: t , 4 Forces ee pe | Wiring Diagram Starting (12-Volt) Cable, Battery Connector Black Battery Ground Strap—Positive Post of Battery to Tractor Equipment Side Lamp Ammeter —— Battery (6 Volt) Light Switch. | Generator >… SS a? SP a. xe ee Rear Lamp —_ WIRES Side Lamp — . Description Color of MODEL ‘“‘GM” TRACTOR . — a ii Te_° ° ° e – Lamps to Switch at! ‘L” | pe R gp tack Wiring Diagram Lighting (6-Volt) aruvator Field, Taninal “F” to Resistor{| Geen on e Generator Cutout to Ammeter Lead | Blk. gn Xellow t t te t — 8 Equipment Ammeter to Battery re bee Block Battery Ground Strap—Positive Post of! Battery to Tractor Page 3 Side Lamp ( Starting Motor Ammeter Fuse aT = | Batteries om i® Light Switch a Dg th”| Rear Lamp Side Lamp MODEL “GM” TRACTOR Wiring Diagram Starting and Lighting Equipment (12-Volt) WIRES 2 2 Description Color of Covering < | i we Lamps to Switch at “L” Generator Field Terminal “F’’ to Resistor }| Terminal on Switch Generator Cutout to Ammeter Blk. on Yellow Ammeter to Switch at “B’—Fuse Lead Black Ammeter to Starting Motor Black Cable, Starting Motor to Battery Black Cable, Battery Connector Black Battery Ground Strap—Positive Post of Battery to Tractor 4 5 6 7 8 9 0 _