To provide a molded harness capable of being easily manufactured and enhancing productivity and a method for manufacturing the same.

A molded harness 9 has resin molded members 10, 11, 12 molded at the curved part and branching part of a wire bundle 13, the resin molded members 10, 11, 12 formed by injecting a thermoplastic resin into a plurality of upper and molds 32-37 formed with wiring grooves 41 having central shafts of the same height. The molded harness 9 of a three-dimensional structure with the twisted wire bundle 13 is manufactured by twisting one of the resin molded members 10, 11, 12 relative to the other resin molded members 10, 11, 12 or by twisting one of the molds 32-37 relative to the other molds 32-37.