WIRING HARNESS MODULE AND WIRING HARNESS ROUTING DEVICE

A wiring harness module disclosed by this specification includes a wiring harness having at least one wire fixed along a strip-like base member, a holding member for holding a sheet-like margin portion different from a part fixed to the wire in the base member, and a protector to be mounted on a slidable slider. The protector includes an accommodating portion for accommodating the holding member , and the accommodating portion includes a front wall and a back wall lockable to the holding member in a front-back direction.