Mercury - Side Mount Remote Control, 14-Pin Outboard Control with Trim 8M0176288. Overview. This is the side mount control you grab when the boat layout isn't doing you any favors. The console's a little farther forward, the rigging run isn't straight, and suddenly a short harness just won't reach without getting creative. This one gives you twenty feet to work with, which usually solves that problem right away. Trim is right on the handle, where your thumb already lives, and on the right engine