Ignition coil pack ground wire start to get hot when ignition is on and will burn up

I need help i put some new intake gaskets on 1995 ford mugstang and when i completed the job the car will not startup. I have work on cars for a long time i have not had this problem. So i started checking for gas yes i got gas i check crank sensor 0.5 i got that i check for spark no spark. I check the wires to the coil and this one has 3 wires to it a black ,red, and a blue one. The blue is lighting up i the number 10 pin wire on the icm edison no fire to pink number 10 icm. When i turn the key on the black wire gets hot blow the ecm fuse. I was told to follow the wire to the battery & ignition but some wire running along side the bumpers what to do please help.