Patent attributes
A wiring harness is horizontally swingably arranged from the sliding door to a vehicle body. A resilient member arranged at the sliding door energizes the wiring harness toward the vehicle body when the sliding door is fully closed, and energizes to bend the wiring harness when the sliding door is started to be opened. The wiring harness at the sliding door is supported by an oscillation member, and the resilient member energizes the wiring harness toward the vehicle body via the oscillation member. The oscillation member is mounted on a slider, the slider is engaged with a horizontal guiding rail, and the wiring harness is arranged from the slider to the oscillation member. The wiring harness is fixed to a fastening device at the vehicle body side, and the fastening device is arranged obliquely and outwardly against a direction of closing the sliding door. When the sliding door is fully closed, the wiring harness is horizontally supported along an oblong harness guiding member at the sliding door side.