Jon Elson wrote:

This car has no distributor, and has 3 spark coils. So, each coil
serves two cylinders. What happens if one plug
is shorted? Does that short out the other plug, too?

Most coil pack systems fire two plugs at once. The secondary is connected plug tip,
block, block, and plug tip. Jumping the gap on the non compression plug is trivial. If
shorted, even easier.

Wes