[DeTomaso] positive ground

Sean Korb spkorb at gmail.com
Wed Sep 11 17:42:20 EDT 2013


Maybe?  That's the strangest thing when I moved to negative earth on a Ford
8N tractor.  The starter still turned the right way!

sean

On Tue, Sep 10, 2013 at 5:11 PM, Gray Gregory <rgg at gregorycook.com> wrote:

> Thanks Roger,
>
> That does sound pretty simple. I assume dynamo is British for Generator?
> :>)
>
> If I did that would the starter work without any modifications?
>
> Gray
>
>
> -----Original Message-----
> From: Roger [mailto:coatesr8 at aol.com]
> Sent: Tuesday, September 10, 2013 4:03 PM
> To: Gray Gregory
> Cc: detomaso at poca.com
> Subject: Re: [DeTomaso] positive ground
>
> Hi  Gray
> The easiest thing would be to reverse the polarity of the car, this is
> fairly simple on an old car that is running a dynamo as opposed to an
> alternator.
> The big thing is to reverse the polarity of the dynamo.
> To do this , take a wire from the + lead (after reversing polarity and
> flash it for a couple of seconds to the large terminal on the dynamo the D
> terminal, reverse the coil leads and from memory I think you then have a -
> earth vehicle Regards Roger C . UK
>
>
> Sent from  Roger's iPhone
>
> On 10 Sep 2013, at 20:55, Gray Gregory <rgg at gregorycook.com> wrote:
>
> > I need some help from the electrical gurus out there. I just bought a
> petronix ignition module to replace the points in my AC Bristol. It never
> dawned on me when I ordered it that like most British cars of the day it is
> a positive ground system. So the question is how do I hook this thing up?
> Do I just reverse the wires on the coil (red wire to - black wire to +)?
>  or install as per the instructions? Or throw in the towel and stick to the
> points?
> >
> > Thanks,
> >
> > Gray
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-- 
Sean Korb spkorb at spkorb.org http://www.spkorb.org
'65,'68 Mustangs,'68 Cougar,'78 R100/7,'60 Metro,'59 A35,'71 Pantera #1382
"The more you drive, the less intelligent you get" --Miller
"Computers are useless.  They can only give you answers." -P. Picasso



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