Wire harness

A wire harness comprising:

• a trunk module including a plurality of flexible printed circuit boards having flexibility, a plurality of trunk connectors provided at ends of the plurality of flexible printed circuit boards, and a first wiring member module including a plurality of trunk first wiring members having conductivity and 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 having conductivity, and a branch connector provided at ends of the plurality of branch wiring members and connected to one of the trunk connectors, wherein
• 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.