The Micro Fuse harness is perfect for street rods, dune buggies and total ground-up customs where space becomes a big issue. The key is the fuse block that measures only 3'' x 3-1/2'' x 2'' and yet holds 12 fuses and 2 relays! You can mount it under the seat, in the trunk or just about anywhere. This complete wiring system has been designed with three major groups, incorporated into it: engine/headlight, dash and rear lights. includes diagrams and hardware.