A holding jig for temporarily holding a plurality of last-in terminals of a wire harness, the holding jig removably surrounding the terminal. In a preferred embodiment, guiding devices which permit the terminals to be transferred are provided.By temporarily holding a last-in terminal in the jig, deformation in transport, and tangling in manufacture, etc. can be avoided. In addition, in another preferred embodiment, the temporarily held last-in terminals not yet inserted can be inserted even into connectors in which some last-in terminals are already present.