ok guys one my home from work my friends subs im using Kenwoods 12" 400 rms each stop working as soon as i get ready to pull in. i look under my hood and my power wire fuse holder looks like it blew up.... kinda in half.... ( I was only using these subs for a week until i get my FI SSD 15 today or tomorrow.) Any ideas why this happened? i had a spare KIcker 4 awg wire so i wasnt to mad lol.