To enhance the removability of a wire bundle in a wiring harness for a vehicle.

In a wiring harness 1 where a substantially tubular corrugate tube 5 is applied to a wire bundle 2, the corrugate tube 5 is provided with a heating wire 6 extending from one end to the other end of the corrugate tube 5. When the wire bundle 2 is removed from the corrugate tube 5, the corrugate tube 5 is dissolved at first by conducting an electric current through the heating wire 6 to form an opening extending from one end to the other end of the corrugate tube 5. The wire bundle 2 is then pulled out from this opening to the outside of the corrugate tube 5. Consequently, the wire bundle 2 can be removed easily from the corrugate tube 5 and the removability of the wire bundle 2 is enhanced. Since the corrugate tube 5 does not require any special processing, the production cost of the corrugate tube 5 can be reduced.

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