Re: [ihc] RE: Relaying George's power

["Allan Ericson" <lowvolt@xxxxxxxxxxxx>]

> On Jul 27, 2004, at 12:00 PM, George B Humphrey wrote:
>
> > John,
> > Are you implying that I could use the plus side of the coil as the
> > trigger for the Projection if I had an MSD ignition? I like solving
> > problems by getting new toys for the Scout. I can live with the start
> > problems until I save money to get an MSD.
>
Then John Wrote:

> Absolutely, George. With the MSD you can have a full voltage lead to
> near the + terminal of the coil. I have what Mark of Mad calls a
> junction block just before that positive terminal. From that block I
> trigger everything that needs to be on when the ignition is on
> including the starting cycle. ALSO, from that same junction block I run
> a wire to an EXTERNAL  ballast resistor sitting on top of the coil and
> a lead from the other side of the ballast resistor that goes to the +
> terminal of the coil. It is the ONLY wire actually attached to the +
> terminal.
>
> The MSD is perfectly happy with the voltage coming out of the ballast
> resistor and having the ballast resistor already hooked up protects the
> points even more than just the MSD, maybe. The whole truth is that my
> Unilite distributor and/or a Pertronix if I had one, require a ballast
> resistor for long life.
>
I must have missed something here. George's question makes sense, but not
John's answer.

-Allan