Fixing structure of wiring member

A fixing structure of a wiring member, comprising:

• a plate member provided in a vehicle, the plate member including a concave part provided in a main surface of the plate member;
• a wiring member disposed on the main surface of the plate member;
• and
• a fixing member including:
• a first member including a housing part inserted into the concave part of the plate member, and a locking protrusion provided to extend outward from the housing part, and
• a second member including a protrusion extension part inserted and housed in the housing part, the protrusion extension part spreading the locking protrusion outside and sticking the locking protrusion into an inner peripheral surface of the concave part of the plate member to fix the wiring member to the plate member, wherein
• the fixing member includes a fixing part fixed to the wiring member in a state before the protrusion extension part is housed in the housing part,
• a distal end of the housing part is inside the concave part, and
• a distal end of the protrusion extension part is inside the housing part and inside the concave part in an insertion direction, in which the protrusion extension part is inserted into the housing part.