I got the big 3 done plus all 1/0 from the alt ground and positive And added a brand new kinetic 600, voltage went from 14.2 to 14.6 but my system seems quieter? Is this normal? I have 1/0 running to the back with a fuse in between the 2 batteries and then My other battery runs into a 2f cap then in my amp. Any help out there?