portion of the sheathed wire is placed into a molding cavity of a molding die such that a bottom face of the terminal connecting portion is closely brought into contact with one of inner faces of the molding cavity then molten molding resin is injected into the molding cavity such that a bottom face of a solidified molding resin and the bottom face of the terminal connecting portion define an identical plane application_number US 92498701 A description there will be explained in detail below one preferred embodiment of the invention with reference to the accompanying drawings fig1 is a perspective view showing the terminal connecting portion before the waterproofing treatment in which a terminal fitting 20 is crimped on exposed bare conductors 11 of a sheathed wire 10 fig2 is a side view showing a state where the terminal connecting portion is electrically connected to a vehicle body 4 for example the terminal fitting 20 has the connecting part 21 formed to be flat at the front portion at a central part of which an opening 22 is defined for inserting the bolt 3 shown in fig1 a to 10 c of the related example the connecting part 21 is formed to be caulking parts 23 24 at the rear part for crimping to the bare conductors 11 fig3 is a plan view showing partially in cross section a state where the terminal connecting portion has been waterproofed in which the molded resin 30 covers almost allover the terminal connecting portion except for the bottom face of the terminal fitting 20 and the front end connecting part 21 fig4 is a side view showing partially in cross section a state where the waterproofed terminal connecting portion is connected as the earth cable to the vehicle body with.