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Case Tractors Discussion Forum

SC wiring

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06-02-2009 21:47:10

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Ok, I have looked through the archives and am now totally confused.

I have an autolite generator with 2 wires coming out of a rubber grommet. One has a red shrink tubing on it and the other is black. The black one is connected to 1 of 3 screws that are in the generator case currently (and there is 1 additional empty hole). Is this setup for a VR or cutout? From what I have read in the archives some were setup for a VR and some weren't.

Assuming that the generator is made for a VR, which one would work that is available today?

Once I get one, where does the wire that comes out of the generator connect to? Do I leave the one that is attached to the generator there or do I move it to some place on the VR?

Will the new VRs connect right to the generator or do I need to get some type of holder bracket (and if so where do I get one)?


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06-03-2009 20:56:55

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 Re: SC wiring in reply to patsdeere, 06-02-2009 21:47:10  
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I hope I dont confuse you any more, this has been an issue with my S as well. If you look for a voltage regulator for your regulator equipped generator, more than likely you will not find one listed. All I have seen offered is a cutout, but like yours, mine came with an autolite regulator. Also, the light switch on my S is just a push-pull on off. Someone correct me if Im wrong but, I believe if you use a cut-out , you have to use one of those expensive 3 position switches that control voltage to the lights. Its probably no big deal, but I did not not want to change the switch to use a cut-out. I was planning on getting to this a long time ago, just had too many other things come up. I met someone a while back with a massey 44, he told me that an echlin (napa) brand regulator # VR755 is what I need for the autolite generator on my case s, as well as the autolite generators used on the 6 volt masseys. The VR755 is still on the napa website, it looks identical to the one on my S, even has the little fuse holder on the side, and it mounts right to the generator as it should. If you can get someone at napa to see if it is still available and get you one , your in business. If you want, I'll pull the regulator on mine to see how the wires from the generator hook to it, let me know. By the way, the regulator has just one wire that goes to the amp gauge, Ihave some manuals somewhere for the S, I could probably find a wiring diagram if you need one, let me know....Tom

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06-03-2009 23:28:26

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 Re: SC wiring in reply to sunsettractor, 06-03-2009 20:56:55  
I appreciate the info and the offer. I have talked with my local Napa guy (a pretty good friend) and he called the company. They currently don't have any plans to make them again in the near future.

Thus I guess I am stuck with the question of what 6 volt VR would work on the system. I would like to keep it neg ground, but those seem nearly impossible to find. Thus I might have to reluctantly switch to positive ground since those seem to be much easier to find. Now if only I could find a VR that looked like the one that used to be made.

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06-04-2009 19:24:45

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 Re: SC wiring in reply to patsdeere, 06-03-2009 23:28:26  
Sorry to hear that the vr755 is not available any more, I figured if that were to be the case, I'd probably replace the autolite generator with a delco like the farmalls or deeres use, the autolite stuff is pretty much obsolete, good luck with yours....Tom

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