so i have a 450 2 channel fosgate amp and it uses a 30A fuse, just one. Under the hood I have a 60 fuse connected to my amp kit. Now, when I install the amp with the fuse in it, and then connect the amp kit to the car battery, the fuse in the amp shorts out. But when I try to install the amp kit on the battery first, THEN put the fuse into the amp, it showers sparks any help would be greatly appreciated. All my connections are good, fine, and working, this may just be a stupid question with an easy answer