RE: * TR3 Crapped Out Again *

Message text written by "Randall Young"
>If it works the way I think it does, it may show a spark when, in fact,
there is no spark at the plug tip.  Purely as an example, if the plug were
shorted (side electrode touching center electrode), I believe this device
would still show a spark.
<

I believe you are right but if the plug doesn't fire due to too wide a gap
it will show no spark (or not show a spark, if you prefer).

Dave