[AT] 6V and 12V batteries

[Steve W.]

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.