my engine control fuse keeps blowing help plz
 

ok so im gonna start from the begging it startd off as i changed fuel pump then went to full tuned plugs wires cap roter and goes on from there i changed the cranck shaft sensor i even had the alternator tested to make sure the voltage regulator wasnt goin bad and over loading the system but every time i put in a new fuse it fires then blows the fuse i ive checked every wire imaginable and cant find any shorts in the system can anyone help me plz