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Farmall & IHC Tractors Discussion Board

Re: 12v Generator


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Posted by John T on March 21, 2009 at 08:36:22 from (71.52.194.12):

In Reply to: 12v Generator posted by Ohio H on March 21, 2009 at 07:44:08:

Welllllllll the shop CAN go ahead and Polarize the Genny for Pos or Neg Ground as you wish, but Id just polarize it myself once its installed to be safe n sure but BEFORE you start it.

Change the lights to 12 volts.

If its a coil ignition you can:

EITHER add a series external voltage dropping (12 to 6) Ballast Resistor AFTER the Ignition Switch but before/ahead of the coil OR ELSE buy a new full true 12 volt coil NO ballast required.

Wire the coil to match the polarity i.e. for Pos grnd the coils lil - terminal gets ign switched voltage while its lil + wires to distributor but opposote that for Neg ground.

If it has an ammeter and you change polarity from original the leads need swapped or it will register bass ackwards

John T


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