1978 and Newer Outboard and OMC Sea Drive Use a wiring kit to connect the tachometer to the plug-in connector on the remote control or accessory electrical cable. Use Plug-In Connector Kit P/N 0174732 when installing tachometer only. Use Plug-In/Fuse Block Kit P/N 0173611 when installing tachometer with other accessories.. OUTBOARD WIRING DIAGRAMS These diagrams are accurate to the best of our knowledge; however, variations can exist, such as between remote control and tiller models. Please verify your wiring before doing any work.
New for 2022! - We are building up a repository of Free Wiring Diagrams for outboard motor engines for manufacturers such as Johnson, Evinrude, Mariner, Mercury, Honda, Suzuki, Tohahsu and more. Troubleshoot your outboard starting or ignition system problems with this essential resource. Free Outboard Wiring Diagrams We add new wiring diagrams all the time so check back regularly if you can't.. OUTBOARD WIRING DIAGRAMS These diagrams are accurate to the best of our knowledge; however, variations can exist, such as between remote control and tiller models. Please verify your wiring before doing any work.