[DeTomaso] positive ground
Roger
coatesr8 at aol.com
Tue Sep 10 17:02:50 EDT 2013
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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