WIRE HARNESS MODULE

Provided is a technique suitable for fixing, to a vehicle, a part of a wire harness that is maintained in a bent state, and thereafter straightening the wire harness and mounting the wire harness to a vehicle. A wire harness module includes: a wire harness including a plurality of wires; and a plurality of vehicle fixation components that are attached to the wire harness and are attachable to a vehicle. In a state in which at least one of the plurality of vehicle fixation components stays fixable to the vehicle, at least one of the plurality of vehicle fixation components keeps the wire harness in a bent form.