GM-HEI Modules

[Shannen Durphey]

The module can be driven with a single polarity signal, either negative or
positive. Never checked timing advance, but I've used HEI modules for a few
things besides running engines, and a single wire on the input has worked fine.

Shannen

Sandy wrote:

> This would be interesting, I'm going to guess that when driven digitally,
> the module will not change the timing, just the dwell. This will be easy to
> find out if the module can be drived with a single polarity signal from my
> pulse generator.
>
> Sandy
>
> At 10:52 AM 2/18/98 +0000, you wrote:
> >Clare
> >How many pin module are you refering to.  I haven't used the ESC
> >(electronic spark control) .  The four pin module may give the 8 deg
> >you mentioned, but with the mechanical advance operating, I don't see
> >it.   I'll tie the weights down and run it to see whats there.  Never
> >thought about it, but it makes sense.
> >
> >Bob McKnight
> >Phx.AZ
> >
> >