"The Sea Clear Power 1726 Wiring Harness with Switch and Jumper is mainly for Walleye boats that have the batteries in the back starboard side of the boat and the console further towards the bow than the standard bass boat. It also works perfectly for Tracker aluminum boats that don't have a rigging tube and require the harness to go down the side panel of the boat and into the transom with the steering cables. This harness has a 17' run to the console and a 26' run to the bow. The harness can be cut back to custom fit your boat. It's the first wiring harness ever made for the sole purpose of wiring up your marine electronics. Tired of poor image quality? Tired of your units blinking? Tired of your units and accessories for them not being on one system? Tired of waiting on your units taking 30 seconds to start reading structure scan after coming off the pad? Get a Sea Clear Power wiring harness today and ""sea"" the difference. The first wiring harness made solely for wiring marine electronics Primarily for Walleye boats and select Tracker aluminum boats Delivers reliable power every time Ensures no more blinking lights, poor images, or needing to wire on too many systems"