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Ford 9N, 2N & 8N Discussion Forum

6 or 12 volt

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Pete in MN

01-31-2007 04:23:54

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I bought a motor out of a 52 8n, front mount distributor. Not sure if it is 12 volt or 6 volt.The coil says 12 volt on the side of it. I cleaned of the generator and found a 12 volt stamp on the side. How am i sure what it is? Where there 12 volt originals in 52. I would assume that i need a voltage regulator, and a 12 volt solinoid if it is 12 volt. Any help identifying would be greatly appreciated.

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K.LaRue-VA

01-31-2007 11:09:00

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Re: 6 or 12 volt in reply to Pete in MN, 01-31-2007 04:23:54

Sounds like you got one like was in my original 8N. Check the serial number because that engine may actually have been out of a 9N or 2N. All 8N block serial numbers begin with 8N.

You can bolt any N-Tractor engine to any N-tractor transmission and they will work. You can bet that more than a few of these tractors have had cracked blocks replaced with whatever was available at the time.

If your old electrical system was working, why not just swap those parts to the NEW engine?

It you have a decent ohm-meter you can measure resistance between the screw terminal and the coil springy thingy on the coil. If you get less than around 3-ohms, you will need a resistor to run it with a 12-volt electrical system.

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Dell (WA)

01-31-2007 08:45:17

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Re: 6 or 12 volt in reply to Pete in MN, 01-31-2007 04:23:54

Pete..... .as you should know, ALL 8N tractors were 6-volt positive ground from the factory. Before the popularity of the cheap 12-volt alternator conversion (with built-in regulator) Many 12-volt conversions use a Ford Falcon 12-volt genny. ('cuz it was cheap) Note: 12-volt gennys can be eather positive or negative ground but must always be "polarized" to match the battery.

There is 'nuttin' wrong with a 12-volt genny conversion, once you get the "matching" 12-volt squarecan voltage regulator. Take yer genny into a good autoparts store or autoelectric shop and they should be able to test it and identify the matching squarecan voltage regulator needed.

...or... byte the bullet and do a 12-volt alternator conversion.

Starter motor don't care, 6v-or-12v positive or negative. Starter solenoid don't care eather..... ..Dell, a 12-volt advocate for the right reasons

That said, I haven't found the right reason for my eazy starting 6-volt 8N, and I know how to do it right the first time. Infact I know 8-ways to do it and they all work.

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John Hunt

01-31-2007 07:34:14

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Re: 6 or 12 volt in reply to Pete in MN, 01-31-2007 04:23:54

look at the batties, see if the positive side of the batties hook up to the ground. if it is you have 6 volt . and if hook up to starter and ground hook up to ground it 12 volt the best way to check it ...

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K.LaRue-VA

01-31-2007 20:04:15

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Re: 6 or 12 volt in reply to John Hunt , 01-31-2007 07:34:14

WOW John! Lets see if I understood that correctly, all we need to do is see if the positive side of the battery is hooked up to the ground. If it is, you have 6 volt?

LOL

Pete bought a motor out of a 52 8N tractor. There probably aint no battery to look at unless it was still hanging by one cable to the solenoid when he got the motor. Even if the battery is still hanging there, looking at how it is wired aint going to tell him anything about the voltage.

Pete also wrote that his coil is stamped 12-volt and the genny is stamped 12-volt. Since somebody took the time to label those components, its a good bet the labels are correct for those two parts. But never assume anything!

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souNdguy

01-31-2007 07:17:58

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Re: 6 or 12 volt in reply to Pete in MN, 01-31-2007 04:23:54

Either go 12v or 6v.. not some butchers job like the other poster sugests.

If you have a 12v genny, and 12v coil, and a 12v reg.. go with it. just get 12v lamps. Your solenoid won't care.. the 6v ones run on 12v just fine.

If you don't have a reg.. you need to determine what genny you have, and match the circuit types.. later ford gennies that were 12v like on the diesel hundred series and thent he thousand series were B circuit. find out what your's is. if could be the oem unit rebuilt to 12v.. a unit converted from a later application.. or a completely different genny from a car.. etc.

Also.. a 52 8n is a side mount not front mount. and none were oem 12v...

Soundguy

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south wind

01-31-2007 06:03:14

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Re: 6 or 12 volt in reply to Pete in MN, 01-31-2007 04:23:54

52 has side mount dis.

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Grampa Leon

01-31-2007 06:20:29

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Re: 6 or 12 volt in reply to south wind, 01-31-2007 06:03:14

12 volt systems did not appear untill later in the 50's,the earlist I remember 1956.My thinking would suggest is replace every thing you are not sure of with either all 6 volt or all 12 volt, If you choose to change to 12 volt,it is suggested to have 12 volt only on the start cycle,then thru a resister [to 6 volt]in running mode.This is how earlier systems were wired[Trucks]

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