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Farmall & IHC Tractors Discussion Board

Re: '52 Super C Dimmer Resistor


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Posted by John T on December 13, 2007 at 09:24:24 from (66.244.83.147):

In Reply to: Re: '52 Super C Dimmer Resistor posted by Janicholson on December 13, 2007 at 08:51:23:

Jim, I figured you or Bob could help on this but I have a couple things n wonder if they need attention???????

You sure the dimming resistor is 3 ohms?? Thats the approx value of a generator field current control resistor but Id guess the light dimming resisitor to be less say 0.5 to 1 ohm??? I HAVE NO IDEA THATS JUST A GUESS, I guess it wouldnt be hard to calculate the correct resistance if we knew the load of the lights and wanted to reduce the current by say 25% to 50%

If he uses an after market switch and NOT an original that has the DIM lights position, its gonna have to have the necessary external wiring terminals and appropriate internal switch contacts to allow the addition of the series resistor in DIM but by pass it when in BRIGHT

Im just thinking any old radio Shack On/Off light switch will NOT have the terminal and inner switch contacts to accomplish what hes trying to do maybe????

Just curious, I may be making more out of this then necessary but just not sure what exact switch he has in mind n these red flags popped up in my old engineering brain lol

Take care

John T


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