Posted by Mike in Mn. on April 03, 2012 at 19:15:27 from (74.37.53.31):
I'm always messin around with stuff and most of the time it works like I think it should, but this one isn't. Here's the deal, I have an old tractor that was 6 volt + ground converted to 12 volt - ground and using the 6 volt generator to charge the battery. Have a relay hooked up to carry juice from the arm terminal to the ammeter, energized by the key and a oil pressure switch for ground, that works great to break the circuit when engine is off. I have a light switch from a WD with the resistor hooked to the field terminal so that it won't charge too hard, the problem is it charges full bore, even with the field terminal unhooked. It's a two brush autolite generator 6 volt 14 amp. Hooked on 12 volt it charges 28 amps at about half throttle, I was thinking it would charge about 8 to 10 through the resistor and be good enough. I have continuity from the arm terminal to case and also to the field to arm and the case, What gives?? or am I trying to do the impossible.Thanks for your thoughts, I know I should put an alt on it, I'm just messing around.
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