Mercury – Bow Trim Harness | Bow-Mounted Trim Wiring | 84-8M0169506Mercury Bow Trim Harness Bow Mounted Trim Wiring 84 8M0169506 OverviewThis bow trim harness gives you a clean way to run trim control from a bow mounted button back to the engines cowl trim switch. Its the wiring path that lets you trim the engine without reaching the helmhandy when youre working up front or loading the boat. The harness keeps things tidy and avoids the hassle of splicing or improvising your own connections. It works on all 2004 and