Mercury - 2-Pin Extension Harness (10 ft) Rigging Accessory 84-8M0191740. OverviewThis 10-foot extension harness gives you the extra reach needed to run the electric steering actuator wiring through the rig tube and up under the cowl. It's basically the "make-life-easier" piece for installs where the standard harness comes up short. Each actuator needs its own extension, so every unit gets a clean, relaxed wiring run. When the harness isn't stretched or bent sharply, the steering system usually