Deluxe Extension Harness Wish to install your Haywire fuse panel in the trunk, here is your answer, a Haywire extension harness. By leaving the harness panel connector under the dash and placing your panel in your desired location. Simply measure between harness connector and panel connector. Be sure to specify which deluxe wire system you are using. NOTE: this extension will not fit the E Series Harness. Price of extension Harness is by the foot. Please indicate number of feet when ordering.