Hey i am putting in a 2nd battery in my trunk and wanted to make sure i had it right. I have 2 amps the Rockford Fosgate Prime 1200x1 and the Punch p400X4. I have a 200-amp fuse under hood to a block that has a 120 for the 1200 and 60 fuse for the 400. Do i just add another 200 amp fuse before...