WIRE HARNESS SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a wire harness system which is downsized.SOLUTION: A wire harness system 10 mounted on a vehicle 12 includes: a wire harness 10A having an electric wire bundle formed by bundling multiple electric wires 11A; a first electric component 20 electrically connected with the electric wires 11A; and a switching unit 27 which is electrically connected with the electric wires 11A, includes a switching element 28 for flowing a current or interrupting the current to the first electric component 20, and is attached to the wire harness 10A. The switching unit 27 has a recessed shape 39 which contacts with an outer surface of the wire harness 10A.