COMPOSITE WIRE HARNESS

A composite wire harness includes: a first wire harness including a first electric wire and a first exterior tube that covers the first electric wire; a second wire harness including a second electric wire and a second exterior tube that covers the second electric wire and is arranged in parallel with the first exterior tube; and a fixing member configured to fix the first wire harness and the second wire harness to each other, wherein: the first wire harness includes a path regulator that is attached to an outer circumferential surface of the first exterior tube, and is configured to regulate a path of the first exterior tube, the path regulator includes an insertion port that extends along a length direction of the path regulator and spans an entire length of the path regulator, and the fixing member fixes the second wire harness to the path regulator.