WE HAVE PARTS AND DIAGRAMS AVAILABLE FOR EVINRUDE & JOHNSON OUTBOARD WIRING : Wondering "Where-'n-'Ell". OUTBOARD WIRING DIAGRAMS These diagrams are accurate to the best of our knowledge; however, variations can exist,. Please verify your wiring before doing any work. 18-25 HP STARTER SYSTEM THRU 1972: 18-25 HP ELECTRIC START 1973-76: 25.. Solenoid has 4 terminals. Two very large terminals are for the battery cable and starter, two smaller terminals are for the control circuit and ground. So: Locate the two very large terminals; they are opposite each other on the solenoid. 1. Connect the large wire FROM the starter to one of those large solenoid terminals.
Free Wiring diagrams for Johnson's and Evinrude's - Many years and Models. Thread starter HM2107; Start date Sep 18, 2011; Status Not open for further replies. H. HM2107 Seaman. Joined May 11, 2011 Messages 66. Sep 18, 2011 #1 Hey everyone some one put me onto this web site and i found my diagram. So i thought i would share with everyone.. Outboard starter circuits are very simple, and there is nothing unique about your 25hp Johnson. The thick red wire goes from battery to solenoid and then from the other side of the solenoid to the starter. A thick black wire goes from the starter back to the battery or suitable earth point.