Harley Davidson street glide in for a Wiring rescue. Project silver surfer part 1

Harley Davidson street glide in for a Wiring rescue. Previous shop wired 3000.1 1200.4 1200.2 400.4 5800 watts ( over 300 amps of current draw ) On a 60 amp fuse 😳 from a single run of 8 gauge power and ground . M6 x 20mm, 25mm, 30mm, 35mm and 40mm Flanged Hex Head Bolts Flange Hexagon Screws, Stainless Steel 18-8, Quantity 25 https://www.amazon.com/dp/B086MD5GXF/...