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Harry Ferguson Tractors Discussion Forum
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to30 electrics

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jim

02-04-2004 07:07:04




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I have a 52 to30 I have been restoring. It was converted to 12 volt and someone had wiring wrong. I rewired according to specs and installed new alternator, plugs, points, wires, amp meter, and ignition switch. It starts and charges properly but will not cut-off when switch is turned off. I can remove the jumper on alt. that connects the battery hot to the primary #2 lead on the 2-prong alt. plug and it will stop when shut-off but then alt. does not charge. Can someone help?

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John, IN

02-05-2004 19:38:44




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 Re: to30 electrics in reply to jim, 02-04-2004 07:07:04  
Go to the site below, there I have posted several electrical prints. One should fit your needs. Be sure to let us all know what you find. Good luck.

Link



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Mike from Ok

02-05-2004 04:45:29




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 Re: to30 electrics in reply to jim, 02-04-2004 07:07:04  
Jim
I had this problem on my 53 TO30 and after much research and discussion on this forum I found two ways to deal with it. The first is to buy a alternator that was made for the single wire application or have yours modified. What this is, is a diode inside that will "switch" on your alternator when it's turning. Option two (my choice) is to put a momentary switch from the #2 post to power. When you press switch down it sends 12 volts to alternator to "turn it on" and when you release, the power is gone but the alternator stays "on". Of course you will have to press this button every time you start the tractor if you want to keep the battery charged.

Mike

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steveormary

02-04-2004 21:24:36




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 Re: to30 electrics in reply to jim, 02-04-2004 07:07:04  

jim;if you are using a single wire alternator you will need a double pole single throw switch.



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Mr Chapp

02-04-2004 17:44:32




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 Re: to30 electrics in reply to jim, 02-04-2004 07:07:04  
I have serious doubts that you had an alternator on a 1950s machine...can you wire the #2 terminal to the ignition switch? Sorry if this is a repeat mesage. Good luck, have fun!!!



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jim

02-05-2004 15:04:02




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 Re: Re: to30 electrics in reply to Mr Chapp, 02-04-2004 17:44:32  
This tractor was converted to 12 volt before I got it. By asking me to wire #2 to the ignition switch, do you mean I should bypass the hot post on the alt. and take #2 directly to the ignition switch?



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Mr Chapp

02-06-2004 18:52:58




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 Re: Re: Re: to30 electrics in reply to jim, 02-05-2004 15:04:02  
O.K. Lets start at square one. What kind of alternator (brand) do you have? This will make a difference. If it's delco there are several alternatives. If not, we'll start from there.



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jim

02-07-2004 05:13:25




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 Re: Re: Re: Re: to30 electrics in reply to Mr Chapp, 02-06-2004 18:52:58  
The Alternator is a Delco with a single battery post and a 2-wire plug.



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Mr Chapp

02-11-2004 19:33:13




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 Re: Re: Re: Re: Re: to30 electrics in reply to jim, 02-07-2004 05:13:25  
O.K. This ain't goin' to be easy... Find out who your best local automotive elect. shop is, by word of mouth. Firt hard part... , There is a one wire alternator system that is fool proof, if you can understand how it is excited. Get the local elect. shop to give you a diagram (whether your machine has an amp meter or not) and go from there. Sorry to be so vague, but I could be here all night and only serve to confuse you. Good luck, have fun!!!

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