Posted by Leroy on February 14, 2018 at 06:58:05 from (69.88.201.13):
In Reply to: 6V to 12V.... posted by banjoman09 on February 13, 2018 at 15:57:17:
I know nothing about 12 volt conversions. Mine is still 6 volt. Ford used a resistor to cut the 6 volt down to 4.8 volt thinking points would burn with higher voltage. Due to starting problems ran 8 volt batteries for at least 30 years to get more voltage to fire. Few years ago could not get 8 volt so went back to 6 volt battery. worked but not correct but tractor would stop and not restart for quite a while. Thinking it was ignation switch was changed several times but no change. I finally wired in 2 seperate switches and left orignal in. The new switches I wired direct, one to resistor other without. It would stat but not easy going thru the new switch and the resistor same as orignal switch. Using the direct it started better. So I tried an expermint, when it would start to die with either one going thru resistot turn switch without resistor and it would take off and run good, go back to resistor and it would start to cut out and die, go back to the bypass switch and it would start running again as should so all I use now is direct without that resistor. And no problems with points burning. The John Deere B and Farmall H both with 6 volt systems never has a resistor in them as neither did the 49 Chevy truck and never any points burning. Just put back 6 volt coil and good 6 volt battery and get rid of any resistor and it should be running good. A few years back was having discussion this subject and John T the electrical enginer did not realize that could work untill I told him how it was working for me. That resistor was the problem with all the 6 volt Ford cars running problems as well as the tractors never ran as good from new as after that resistor was gotten rid of. The 8 volt with a resistor put a bit over 6 volts to tractor to get it to start. I have both a 41 9N and a 44 2N bought new in may of 44. If I was looking for a tractor a 12 volt conversion would tell me to skip it.
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