Painless Wiring 70103 Performance Auxiliary 3-Circuit Fuse Block

These piggyback your overburdened fusebox. Great for auxiliary lighting, extra stereo equipment, and other on-board 12-volt accessories. This fuseblock assembly is designed with 3 circuits, 1 has constant power and 2 are powered only when the ignition is turned on. It handles 40 amps max (all three circuits combined).