trying to fix my car and now it has a horrible misfire, no power....it starts right up but once in drive it will go about 2mph, misfire non stop, and sound like it will stall when i accelerate in drive (will rev in park)...

upon inspection i noticed all the tabs to hold the harness to the coils are broken, and the far right coil's plus is completely broken off....tried a junk yard but they want to sell the entire harness. anyone know where to buy just the plugs so i can cut the old ones and splice in new ones? hopefully this will fix the misfire