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ATTENTION: all you 6V
:

12V converters

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RK Smith

04-11-1999 12:47:37




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You may appreciate me for this later so write it down. If you end of converting using an alternator that is "not internally regulated," then you will need a voltage regulator. I've just done this and this one is super: Contact YT and see if they can cross reference AutoZone part number 129965 and also reference VR706. This is an "electronic two wire voltage regulator" that was used on pre-1970 chrysler products. It is small, easy to bolt to the chassis, and has one terminal marked "field" for the line from the "field" to the voltage regulator and one marked "ign" for connecting to switched positive battery voltage (run it to the "dead" side of the switch, so that it is live when the switch is on). Note: this is only for neg ground alternators, and therefore your tractor has to be converted to neg ground. If YT can't help, go to AutoZone - it isn't expensive. enjoy - RKS

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RK Smith

04-12-1999 15:34:05




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 Re: ATTENTION: all you 6V - 12V converters in reply to RK Smith, 04-11-1999 12:47:37  
Attention: anyone reading these comments who is considering using an alternator on their "old" tractor - regardless of make. Many if not most of those old tractors were set up with positive ground. If you put an alternator on, it is very probably "not going to work," unless you change the old tractor grounding to a negative ground system. This is true no matter if you use an internally regulated alternator or if you must also purchase a voltage regulator. These original comments were only for those who already have converted or will convert and know if they need a voltage regulator or not. The alternators available are almost "exclusively" constructed for a neg ground. This is because by the time alternators were in common use, most auto systems mfgs were already using "neg ground." If these comments are totally greek to you, get someone who understands, so you won't fry something. And please, unless you are an experienced mechanic, don't try to incorporate a 6V-12V conversion along with other things like a complete tune-up, carb rebuild, etc. It will just get you confused and unable to track down a minor problem.

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Woody

04-12-1999 05:55:48




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 Re: ATTENTION: all you 6V - 12V converters in reply to RK Smith, 04-11-1999 12:47:37  
I prefer the single wire Delcos for conversion. Any idiot (such as myself) can do the conversion. The ones I use have the internal regulator so you don't have to fool with that either. If your wiring is sound, piece of cake...if its fried, with the single wire alternator, its quite easy to rewire without having an actual new harnass. The only 'problem' I've found is making sure you get a good universal mounting bracket. All the other pieces parts are simple as well to get and install. Anyone out there who needs all this stuff, email and I'll give you my source's email and telephone number (good source, will UPS anywhere...all new stuff).

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Dickson Brubaker

03-09-2000 10:08:04




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 Re: Re: ATTENTION: all you 6V - 12V converters in reply to Woody, 04-12-1999 05:55:48  
I have installed a 12v AC Delco one wire alt.
Now my battery will not hold a charge. Is it because of the tractor(AC WD) is now a positive ground not a negative ground. Could you help me
out with the wiring diagram. Thanks



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Ralph

04-11-1999 19:13:13




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 Re: ATTENTION: all you 6V - 12V converters in reply to RK Smith, 04-11-1999 12:47:37  
Have read with interest your posts on the conversion 6v to 12v. What kind of alt.? you talk of Chrysler parts. What kind of luck do you have fiting it under the hood? We have been using Delco alt. since somewhere in the 70s first with the old external reg. type then up to the 10si with internal regulator.



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RK Smith

04-11-1999 20:06:38




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 Re: Re: ATTENTION: all you 6V - 12V converters in reply to Ralph, 04-11-1999 19:13:13  
didn't say anything about a chrysler alt, just the referenced volt reg. Just happens to work well in the system. I'm sure one could be found from GM, or Ford that would work as well, and I'm sure an alt made by other than Delco Remy would also. Mine happened to be a Delco Remy and on the tractor when I bought it, and the owner said he had just converted it to 12V with an alternator. He had it hooked up wrong in the first place, and secondly it was "not internally regulated," so the volt reg was required. It was recommended to me to try a "chrysler product pre-70 voltage regulator. This one happens to be very compact, easy to install, and two-wire simple.

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Ralph

04-13-1999 19:20:33




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 Re: Re: Re: ATTENTION: all you 6V - 12V converters in reply to RK Smith, 04-11-1999 20:06:38  
Thanks for the info, I wasn't aware the Chrysler reg. would inter-mix that easy. Thanks again. Ralph



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