Mercury - Single Engine Start/Stop Pad Low-Profile Control Pad 87-8M0117136. OverviewThis low-profile Start/Stop pad gives single-engine DTS boats a clean, simple way to fire up or shut down the engine while the keyswitch is in the RUN position. It tucks neatly into the helm without taking up much space and adds a convenient push-button feel to everyday operation. It's a straightforward upgrade that makes starting and stopping the engine quicker and more natural on any single-engine DTS setup..