This control features a single trim switch in the port handle for trim and comes with the trim harness (attached to switch) with the white connector. All installations require an Ignition/Choke harness and T/S cables to complete the installation. Fits all current Mercury/Mariner outboards (with integral trim) and 1993 and newer Force outboards 40 HP and higher utilizing Mercury style cables (with power trim). 8/9.9 FourStroke engines 2005 and newer and 8/9.9 generation change above S/N OR192772 and 15/20 FourStroke will use Gen II T/S Cable.