Models W/ 12 Volt Neg. Ground Or 6 Volt Systems Converted To 12 Volt Negative Ground Systems Only. Dim A (1): Easy To Install No Complicated Wiring Fits Entirely Inside Distributor. Replaces Points Condenser W/ An Electronic Module. Increases Spark Plug Life Horsepower Improves Fuel Economy.; Allis-Chalmers Tractor D15 (W/ Delco 4 Cyl. W/ Distributor # 1112593) D17 (W/ Distributor 1111745 Or 1111735) G (W/ Delco Distributor # 1111708)
