[AT] 6V and 12V batteries

Charlie V 1cdevill at gmail.com
Mon Jul 7 08:09:03 PDT 2014


Ditto for IH.  (340, 560, etc.)  Start on 12V.  Run on 6V.

Charlie V.


On Mon, Jul 7, 2014 at 10:42 AM, Steve W. <swilliams268 at frontier.com> wrote:

> Dean VP wrote:
> > Darrell/Dean Vinson,
> >
> > If the 1958 620 is still wired the way it came from the factory Dean
> > does have a 6 volt coil and distributor but everything else is 12V.
> > There is a bypass resistor (AA5791R) that allows 12 Volts to the
> > ignition coil as long as the starter pedal is depressed and then the
> > ignition runs on about 6V after the pedal is released. 12V for better
> > starting and then runs on 6V. Supposedly better life for the points
> > and plugs. JD first adopted this for their LP tractors and then used
> > it for all of the 20 and 30 Series two cylinder gas tractors too.
> >
> >
> > Dean VP Snohomish, WA
> >
>
> Sounds like Deere learned from the auto makers that 12 Volts ate points.
> Same system was used on just about every 12 volt auto made that used
> points.
>
> --
> Steve W.
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