Mercury - Global Wake Harness 70-Foot Harness 84-8M0173582. OverviewThis 70-foot Global Wake harness is made for big boats where the wake module sits a long way from the rig center. When the wiring has to travel through long rigging tunnels, around bulkheads, or across a wide transom, the shorter harnesses just won't cut it. This longer run gives the cable the room it needs so you're not forcing tight bends or stretching anything. It helps the wake system stay steady and keeps the whole setup ea