jamescounter

Hello new to the forum doing my first ls swap and have run into a problem engine runs but setting code for #8 cylinder coil primary and secondary issue i tried different coils and still has same issue, The engine definably has a misfire i have checked the wires going into the coil and have hot wire key on and the next wire which i believe is the trigger wire has ground all the time and the next two wires also have ground at all times , i checked the other cylinder's on same side of engine and the wire next to hot key on does not have ground with key on engine off. all wire harnesses are new and not damaged anywhere what would cause cylinder 8 trigger wire to be grounded when it shouldn't be. thanks in advance James