1995 Trooper coil pack troubles.
 

Hi guys, new to the forum. I recently purchased a 95 trooper. First thing I did was replace timing belt. Ran great until a coil pack went out 2,4 ( I believe) middle pack. Replaced it with a new cool ran great for a month or so. Now it runs rough. No spark on same cool, I swapped out the one next to it and same cylinder #s not firing with other ciol pack. Any suggestions? Dam
Spell check cool = coils