Painless Fuse Block | Wiring Diagram And Schematics Painless Fuse Block (Mar 24, 2019) - Knowledge about painless fuse block has been published by Ella Brouillard and tagged in this category. Sometimes, we may need to slightly change the layout, color, or even equipment. We want a whole new idea for it then one of them is this painless fuse block. Painless CirKit Boss Auxiliary Fuse Blocks | JEGS Painless Performance CirKit Boss Auxiliary Fuse Blocks provide you with the protection you need! Electrical accessories can send voltage spikes through your system, damaging everything from light bulbs to diagnostic computers.