Amazon: 12v fuse box Amazon: 12v fuse box. 6 Circuits with Negative Bus Fuse Box for Car Boat Marine RV Truck DC 12-24V, Fuses Included. 4.0 out of 5 stars 102. $20 $ 20. 98. 10% coupon applied. Save 10% with coupon. Get it as soon as Tue, Jul 30. FREE Shipping on orders over $25 shipped by Amazon. 12v Fuse Box for sale | eBay 12 Way Blade Fuse Box & Bus Bar Car Kit With Cover Marine FuseBox Holder 12V 32V. Suitable for middle size blade fuse (ATC,ATO). All fasteners are made of stainless steel, the fuse box is input, and the output end is fixed by tightening screws, which can be installed more quickly, and the safety box is fixed by self-tapping screws, which makes installation easier and safer.