Which fuse do I use for this radio? Shawn December 21, 2016 22:10 A 15 amp fuse should be used with both the 955 & 655. Related articles What size fuse is recommended for the inline holder? What fuse do I need for the SR-955HPC? HIC Feature, what is it and what does it do? Why does the radio's meter show less power output than my external watt meter? What are the dimensions of the 655 & 955? Comments 0 comments Article is closed for comments.