Wire harness terminal conduction plug

The utility model relates to the technical field of wire harness terminal plugs, in particular to a wire harness terminal conduction plug, which comprises a lower insulating support, a plurality of rectangular grooves communicated with the outside are arranged in a box body at the front end part of the lower insulating support, conductive contact pieces are fixedly arranged on the bottom walls of the rectangular grooves, arc-shaped grooves are arranged on the groove walls at the rear sides of the rectangular grooves, and the arc-shaped grooves are communicated with the rectangular grooves. An arc-shaped groove is formed in the top face of the lower insulation support, a flaring groove is formed in the rear side groove wall of the arc-shaped groove, an outer penetrating hole communicated with the outside is formed in the rear side groove wall of the flaring groove, an upper insulation support is arranged on the top face of the lower insulation support, a wire is arranged in the arc-shaped groove, the end of th