Posted by John T on November 14, 2007 at 05:39:55 from (66.244.83.147):
In Reply to: Magneto vs. Coil posted by bullfrog on November 14, 2007 at 02:58:17:
Frog, Its a Piece of Cake. All youre doing is running a switched (dash mounted On/Off Ign Switch) hot ignition wire down to an external coils input (NOT to distributor) terminal and run the coils other output terminal into the distributors points n condesnor connection/terminal. The ignition switch can get its BAT input voltage from the load side of an ammeter or the L terminal on a 4 terminal Voltage Regulator.
Just match the coil voltage to whatever voltage the tractor battery is (i.e. 6 votl coil if 6 but 12 volt coil (or a 6 with an external series ballast resistor) if a 12 volt battery) Also match the coils +/- polarity to that of the battery, i.e. if at Pos grnd the coils - gets voltage from the switch while its other + wires to distributor or if at Neg ground the coils + gets switch power and its - wires to distributor.
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