Re: 12 v conversion ballast resistor

Posted by John T on March 31, 2007 at 06:26:40 from (66.244.90.5):

In Reply to: 12 v conversion ballast resistor posted by Scott in Illinois on March 30, 2007 at 20:02:27:

Scott, For sure those ballast run fairly warm, they convert electrical into heat energy and if they drop 6 volts and draw 4 amps that would be 24 watts of heat dissipation!!!!!!!!! It may help dissipate heat better if their metal mounting tab is well secured to the tractors iron so it serves as a heat sink. The coils typically get only warm, however NOT HOT. They are required when you use a 6 volt coil on a 12 volt tractor and the alternative would be to use a full true 12 volt rated coil in which case NO BALLAST IS REQUIRED.

John T

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