TSC wrote:
I have the Siloc book. I went through the troubleshooting, and I have no
spark anywhere.

Curiously, the wiring diagrams in the book do not show an external ballast
resistor. I have following the wires from the coil and I cannot locate one
either.

The original coil (which I replaced) says the only use it with an external
resistor. I made sure the new coil was for use with an external resistor.

Any clues as to where the resisitor would be?

Would a faulty resistor allow it to crank, but show no spark?

YES.

Do you have 12 volts at the coil (+) while cranking?

How did you set the points gap?


Note that I checked for spark at the points,

This is not how you check for spark. There should be no spark at the
points if the condensor is working right.

by pulling the coil wire and
holding it near a ground, and by putting a spare spark plug into a plug
wire.

That is spark at the secondary side of the coil. You will get no spark
at any plug wire with the coil wire pulled.

Trust me... there is no spark.


You really need to check that you have 12 volts at the coil while
cranking, 9-10 volts in the "run" position.

You will get no spark ever if you don't get this 12 volts cranking
first, and have the points set to open to the specified gap twice every
engine revolution.

Rob