Universal 12-volt Voltage Resistor Fits International Ford John Deere Massey Allis Chalmers Case Cockshutt Minneapolis Moline White / Oliver Tractor Fits:International- many International models. Verify specifications for your specific application.Ford- many Ford models. Verify specifications for your specific application.- John Deere- many John Deere models. Verify specifications for your specific application.- Massey- many Massey Ferguson / Massey Harris Tractor models - Allis Chalmers- many Allis Chalmers models. Verify specifications for your specific application.- Case- many Case models. Verify specifications for your specific application.- Cockshutt- many Cockshutt models. Verify specifications for your specific application.- Minneapolis Moline- many Minneapolis Moline models. Verify specifications for your specific application.- White / Oliver- many Oliver models. Verify specifications for your specific application.- Specifications 2 terminal style Reduces voltage to distributor points 2.0 Ohms of resistance It does not make any difference which end of the resistor wires to the coil or which end wires to the ignition switch. Replacement Numbers:Replaces PNs:International- 0Ford- 0- John Deere- AA5791R , AA6043R- Massey- 0- Allis Chalmers- 241266, 70241266, 79017890- Case- 0- Cockshutt- 0- Minneapolis Moline- 0- White / Oliver- 0- Used to step down 12-volt battery. 2 terminal style. Reduces voltage to distributor points. 2.0 Ohms of resistance. Resistor gets very hot. Note: OEM Part Numbers are for reference only and should be verified before purchase.