FIXING STRUCTURE OF WIRING MEMBER

A fixing structure of a wiring member includes a plate-like member provided in a vehicle, a wiring member disposed on a main surface of the plate-like member, and a fixing member fixing the wiring member to the plate-like member. The fixing member includes a housing part inserted into the plate-like member, a locking protrusion provided to extend outward from the housing part, and a protrusion extension part housed in the housing part and spreading the locking protrusion outside to lock the locking protrusion inside the plate-like member.