Mercury - Global Wake Harness 40-Foot Harness 84-8M0163386. OverviewThis 40-foot Global Wake harness is for boats where the wake module sits a long way from the rig center and the shorter harnesses just don't cut it. Wide transoms, long rigging channels, and a few tight corners can make the standard length feel stretched fast. This harness gives you the breathing room to route the cable the way it wants to run-no forcing bends, no pulling it tight. It keeps the wake wiring calmer and a lot easie