The deal is sometime the conversion to the electronic ignition works
just fine and other times the tach reads wrong. You never know for
sure what is going to happen. If the tach reads in error or is
erratic the tach will need to me modified. From a positive pulse
signal to a negative pulse signal.
The original tach used the coil feed wire to receive the pulse for
the speed signal. The later you will have to supply a Green feed to
the tach and then run a wire to the negative side of the coil for the
tachs pulse signal.
David Nock
British Car Specialists
Stockton Ca 95205
209-948-8767
www.britishcarspecialists.com
.
.
On Jul 29, 2011, at 4:27 AM, Thomas J. Morrione wrote:
> Kees,
>
> I'd appreciate it if you would elaborate a bit on the ballast/wiring
> problems you noted when the Pertronix ignition was combined with the
> electronic tach conversion. I guess I'm headed for trouble in that
> I have
> (yet to install) a newly bought (last 6 months) for my 64 BJ8
> Pertronix
> Flamethrower negative ground distributor and flamethrower coil
> (Moss 40511 3
> ohm) and just received back from Nisonger my cleaned up tach
> converted to
> electronic neg ground.
>
> Thanks in advance,
> Tom
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