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Farmall & IHC Tractors Discussion Forum
:

Please help with my cobbled wiring.

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rockyhawaii

10-27-2016 20:25:25




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I have a 51 Farmall Cub. It was running fine but I wanted to fix the electric start. It turned out to be a rusty connection and the starter works fine. BUT, I had a young helper that disconnected some wires without telling me and he forgot how he disconnected who from where. So, could someone tell me how the wiring goes? It is a 6 volt positive ground system, with the magneto. I'm getting positive test light on when the ground wire is connect to the negative battery terminal and the body of the engine. End result is a no spark condition. Question: Could one of you post me a diagram of where the wires hook up? Thank you. BTW, the tractor ran fine before I screwed it up so I think it will run again IF I haven't damaged the magneto or coil.

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RTR

10-28-2016 09:10:18




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 Re: Please help with my cobbled wiring. in reply to rockyhawaii, 10-27-2016 20:25:25  
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I was confused by this as well. If you want to go with a new harness like they came with from the factory, Brillman Company on the internet makes nice ones. Just "plug and play". If you don't want to go that route, the wiring diagram links posted should get you back going!



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Russ from MN

10-28-2016 09:00:41




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 Re: Please help with my cobbled wiring. in reply to rockyhawaii, 10-27-2016 20:25:25  
Your post is kind of confusing, you say it's positive ground, but then you say the ground wire is connected to the negative battery post? I think you need some more qualified help and then don't mess with it yourself!



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Janicholson

10-27-2016 20:41:21




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 Re: Please help with my cobbled wiring. in reply to rockyhawaii, 10-27-2016 20:25:25  
The magneto should not be connected to anything but the Kill switch. (the push in to stop pull out to run mushroom shaped button. The Magneto is self powered and is never connected to voltage at all. The switch is a grounding method to stop the engine. The switch is itself grounded and only has one terminal. The link will take you to a set of diagrams. Using the diagram for an A or B will be very close. Again do not put volts to the mag. It will run with nothing but the plug wire attached. Jim

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sony224422

10-27-2016 20:31:19




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 Re: Please help with my cobbled wiring. in reply to rockyhawaii, 10-27-2016 20:25:25  
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Check this out
http://farmallcub.com/phpBB2/viewtopic.php?t=20714



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