1997 Johnsoon Evinrude "EU" 50 thru 70 3-Cylinder Service Manual, P/N 507266, Page 261Get this manual
Adapter Kits For the purpose of wiring identification, the conventional RED, molded, 10-pin connector will be referred to as "1995"If the engine end of the harness has three BLACK Deutsch connectors, the wiring is considered "1996 and newer"1996 and Newer Engine to 1995 WiringSystem Check Installation Use PIN 176345 Adapter KitEquips the boat with System Check engine monitorKit includes: Harness to adapt engine and trim connections Harness to supply System Check signals to the dash 1996 oil tank pickup assembly Warning horn
INote Installation also requires or inSystem Check gauge
or an Audible Adapter, PIN 1764581996 and Newer Engine to 1995 WiringNon-System Check Installation