My result is approximatively similar with the KickerSince the fan was going to be on all the time and it is out of sight, I figured that I would put a 1/2 amp fuse on the fan. That box is a fuse box that can hold 4 fuses. I had it lying around from another project. It holds a fuse for the amp and another for the fan. I know it was overkill for the amp because the KIA has a 15 amp fuse on the DC circuit, I put in another 15 am fuse in the box, and the amp has its own 15 am fuse on its chassis. If the fan ever fails, I am sure that the fan itself would just die without any significant current draw, so a fuse was probably not needed here either. However, it does make it easy to kill power to either the amp or fan because these add fuses are easy to pull.