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Trouble TO 30 12 Volt Conversion

Wayne Viers I am having trouble with TO 30 12 volt conversion. I did all the wiring check it look like the info I had. Put in new 12 Volt Battery it started right off. Tried to turn it off and it would not, I do have a diode in the wire to the ignition. I put the coil wire. Check all wiring made some changes. Now I am not getting any fire from the coil. Turns over great but will not fire. I have also bought a new coil.

Any help would be appreciated

bill The best thing to do is abort mission and go back to the way the tractor was designed 6 volt. The 6 volt system works fine and you can still get parts. The biggest problem people have is using too small gauge wire for battery cables 0/2 is ideal. I have 3 massey harris tractors running 6 volt and old ford tractors as well. The 12volt conversion is a pain for what you get in return. What do you get in return?

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