Mercury - Start/Stop Extension Harness 5-Foot Harness 84-896380T05. OverviewThis 5-foot Start/Stop extension harness gives you a little extra reach when the factory lead won't comfortably land where you need it. It's handy on boats where the Start/Stop pad sits farther from the rig center or the wiring path has a tight turn. Instead of stretching the cable or forcing an awkward bend, this harness lets the run fall into a cleaner, more natural route. It works on any DTS engine setup and keeps thi