Mercury - Side Mount Remote Control, 8-Pin Traditional Outboard Control with Trim 8M0176295. Overview. This is the longer-harness version of Mercury's classic 8-pin side mount control. Same familiar layout, just more reach. If you've ever come up a little short running wires to the console, this one solves that problem. Trim is built right into the handle, the warning horn is already there, and the extra harness length gives you more flexibility when rigging wider boats or center consoles. It's