its the unit that all your spark plug wires plug into. trace one and ye shall find. laugh

cost is about 80 bucks for an oe unit.

plugs are much cheaper and are more likely the culprit than your coil pack. get some autolite double plats.

-Dan
1998.5 SVT "Black and Blue" #5292
See here for MOD list.
"Washing your car to make it rain does not work."