All of the components and wiring needed to easily install your Ear Cannon Air Horn. Upgraded wiring kit, with improved components (based off of customer feedback - thanks!) includes fuse holder with 20A fuse and curated selection of wires and connectors. You will get: Fuse holder with 20A fuse, 16 gauge #10 fork terminal, (2) 12 gauge 1/4" ring terminal, (2) 12 gauge female spade flag terminal, (2) 12 gauge female spade terminal, (3) 16 gauge male spade terminal, (2) 16 gauge female spade terminal, 36" 12 gauge red wire, 24" 12 gauge black wire, 36" 16 gauge blue wire, 36" 16 gauge black wire.