Mercury - Quad Engine Start/Stop Pad (Starboard) Low-Profile Control Pad 87-8M0117139. OverviewThis Start/Stop pad gives you a simple push-button way to fire up or shut down the starboard-side engines on a quad-engine DTS setup, as long as the keyswitches are already in RUN. It sits low and clean on the helm, so it doesn't add clutter or get in the way. When you're easing into a slip, holding position, or bouncing between idle and gear, having quick access to just the starboard pair makes life a