[AJD] '49 AR

Merle W. Johnson wjohnson at bigriver.net
Sat Nov 13 19:02:51 PST 2004


Play it safe and disconnect the ground cable on the 12v battery, then disconnect
the 6v battery completely.  Hook the 12v for a positive ground.  The only
problem you may encounter is some burning of the points if run on 12v for long
periods or cooking on the 6v coil.
Merle

Gary Epps wrote:

> Hi All,
>
> I tried to start the AR yesterday with a new 6 volt battery with no luck.
> It turned over very slowly and when it came up on compression it just
> couldn't turn it all the way through.  I'm going back too many years to
> remember accurately about six volt systems.  I do remember jump starting 6
> volt cars with 12 volts, but I think they were all neg. ground.  Is there a
> problem with jump starting  a 6 volt positive ground with a 12 volt neg.
> ground system?  I am thinking of just connecting the jumper cables to he
> starter and ground, but do I connect the positive jumper cable from the
> truck to the ground or the tractor starter?
>
> I can also use the battery charger, I guess it might be safer, instead of
> the truck.  Either way does the different polarity create a problem for me?
>
> Thanks for the collective imput,
>
> Gary
> In the Ozark Mountains of southern Missouri in the south central part of the
> USA, where both life and I move slowly.
>
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