A fitting work for a connector (40) and a counterpart connector (70) can be performed smoothly. The connector (40) includes a housing body (42) from which an electrical wire (100) connected to a terminal metal fitting (30) extends out from a rear face thereof; and a guide (43) arranged at a rear side of the housing body (42) and configured by having the electrical wire (100) arranged within a through portion (52) passing through in a direction intersecting a front-rear direction, the electrical wire (100) extending out in both directions through both end openings of the through portion (52). The electrical wire (100) extending out in both directions is configured of the electrical wire (100) configuring a main line (10) of a wire harness.