A complex harness for a vehicle, configured to be provided from a vehicle body to a wheel, includes a composite cable including a plurality of power wires, each of which includes a center conductor covered with an insulation, and a plurality of signal wires, each of which includes a center conductor covered with an insulation, an outer diameter of each of the signal wires being smaller than an outer diameter of each of the power wires, the plurality of power wires and the plurality of signal wires being integrated by an outer sheath including a thermoplastic urethane. A plurality of clamps for attaching the composite cable to the vehicle body are fixed to an outer periphery of the outer sheath respectively via a plurality of rubber members provided along a part of a longitudinal direction of the composite cable.