Mercury - 3-Pin Extension Harness (25 ft) Rigging Accessory 84-8M0193672. OverviewThis 25-foot 3-pin extension harness gives you the extra reach needed when the steering breakout and the electric steering actuator are farther apart than what the shorter harnesses can handle. It's meant for bigger boats or layouts where the wiring takes a long or winding path through the rig tube. Each actuator uses its own harness, which keeps the wiring relaxed instead of stretched tight. With a cleaner run, th