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briwayjones 
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Joined: 09 May 2010
Location: Sykesville, MD
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 Topic: Decent Regulator for a Model C?
Posted: 04 Nov 2010 at 6:56pm |
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What's is a and where can I get a good regulator for a Model C? It's still running 6 volts. Will a regulator from the local Tractor Supply Store be good enough or should I be looking for something else?
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CTuckerNWIL
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Joined: 11 Sep 2009
Location: NW Illinois
Points: 22810
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Posted: 04 Nov 2010 at 7:09pm |
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It depends on what has been done to the tractor in the last 50 years. The C didn't come with a regulator. It had a cut out relay which work with the 3 position switch for varying the rate of charge. If yours has been converted, I would guess a TS replacement would work. If it is the original cut out, you might have to do some wiring.
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briwayjones
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Joined: 09 May 2010
Location: Sykesville, MD
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Posted: 04 Nov 2010 at 7:38pm |
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It's been converted to a regular regulator. The regulators at Tractor Supply are a direct replacement. I ask because I hear people mentioning solid state regulators and other regulators than the regular old ones you can get.
Edited by briwayjones - 04 Nov 2010 at 7:41pm
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Steve in NJ
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Joined: 12 Sep 2009
Location: Andover, NJ
Points: 11549
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Posted: 05 Nov 2010 at 11:22pm |
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What you want to do is get the number off of your Generator. Then take that number to your local Automotive store and get a regulator to match the Generator. In most cases, the basic run-of-the-mill VR does not match the Generator being used which equates to shorter VR life and charging problems. This is what I do with all my customer's who want to change over from a cutout to VR. The field circuit needs to be disconnected from the 3 pos. switch when converted. I have both Generator mounted and flush mount VR's if interested...
Steve@B&B
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briwayjones
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Joined: 09 May 2010
Location: Sykesville, MD
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Posted: 07 Nov 2010 at 4:42pm |
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When you match the regulator to the generator what are you matching besides voltage?
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BrettPhillips
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Joined: 11 Sep 2009
Location: Strasburg, VA
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Posted: 07 Nov 2010 at 5:24pm |
Here is what I am planning to do with my regulators as they go bad: http://www.wiltonae.com/home/index.aspx I have one on my C that is not long for this world. Maybe it will get a Christmas present...
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powertech84
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Joined: 17 Oct 2009
Location: Wisconsin
Points: 440
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Posted: 07 Nov 2010 at 5:37pm |
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Thanks for posting that link brett, i didn't know such a thing exsisted. The only thing that would worry me is that it must be far less forgiving.
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Gerald J.
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Joined: 12 Sep 2009
Location: Hamilton Co, IA
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Posted: 07 Nov 2010 at 5:38pm |
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You have to match the field wiring. Some generators have the field internally connected to the A termonal, e.g. the armature output, some (and most alternators) have the field connected to ground. In the first the regulator grounds the field terminal to make voltage, in the other the regulator applies battery voltage to the field terminal. Using the wrong regulator won't burn anything but your wallet, but it won't cause generation to be regulated.
Gerald J.
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briwayjones
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Joined: 09 May 2010
Location: Sykesville, MD
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Posted: 07 Nov 2010 at 8:06pm |
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Thanks for the input and the link. Does anyone have any information on determining the different field configurations so I can make sure the regulator we have is the proper one for the generator? And so I know what it is if I send it in for the solid-state conversion? For instance whether it's a hot field or grounded field. It sounds like the way it's hooked up internally should tell you?
Our C is 6volts, positive ground. Not running the factory type multi-position switch, just a toggle on-off switch.
Edited by briwayjones - 07 Nov 2010 at 8:13pm
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Bill Long
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Joined: 12 Sep 2009
Location: Bel Air, MD
Points: 4556
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Posted: 07 Nov 2010 at 8:17pm |
Pay close attention to what Steve NJ says. He is our resident expert on all things electrical.
Good Luck!
Bill long
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