1990 Johnson Evinrude "ES" Electric Trollers Service Manual, P/N 507869, Page 96Get this manual
Installation
Place new O-ring in groove of motorSlide heat shrink tubes over motor leads2Crimp and solder splices on motor leads
INotel When sol.dering is required, use rosin core solderDo not use an aCid core solder3Make sure spacer solder the splices Motor red wire to tube red wire Motor green wire to tube black wiref21l 5Use radiant heat source to shrink the heat shrink tubes the splices6Install the motor assembly being careful not to pinch leads