1990 Johnson Evinrude "ES" 9.9 thru 30 Service Manual, P/N 507871, Page 113Get this manual
Terminal Installation 1Apply isopropyl alcohol to the plug and receptacleAlign flat areas and carefully install the plug into the receptacle2Apply isopropyl alcohol to the terminal cavity ill shoulder of terminal while installing terminals into cavityEJ or socket terminalsf6l 4E1 termmal
To avoid personal injury, securely hold insert tool against
f51 3Only use OMC Insert Tool PIN 322697 when installing pin the insert tool against the shoulder