WIRE HARNESS

A wire harness includes a trunk module including a plurality of flexible printed circuit boards, a plurality of trunk connectors, and a first wiring member module connecting the plurality of flexible printed circuit boards to each other, and a plurality of branch modules each including a plurality of branch wiring members and a branch connector provided at ends of the plurality of branch wiring members and connected to one of the trunk connectors. Each of the plurality of flexible printed circuit boards is provided with a wiring pattern including a plurality of conductor circuit portions electrically connected to the plurality of branch wiring members, respectively, via the trunk connectors and the branch connectors to constitute transmission paths, and joint portions each connecting at least two of the plurality of conductor circuit portions to each other.