Mercury - Mid Triple Helm Harness Dual Engine Next Gen DTS Helm Harness 98-8M0165544. OverviewThis harness handles the middle helm on a dual-engine, triple-station Next Gen DTS setup. It gives the mid station its own clear, steady path into the system so it isn't sharing cramped routing with the other helms. When paired with the upper and lower harnesses, everything flows cleanly from station to station without the wiring turning into a maze. It's a simple piece, but it makes a big difference in