Wire harness arrangement for vehicle doors

A door-checker harness is provided, by which a grommet is not needed, a wiring harness at the door-side can be simply and securely connected to a wiring harness at the vehicle body-side, and the wiring harness is protected from the outside. The door-checker harness includes a door-checker bar (1), one end of which is pivotally supported by a door-facing side (3) of a vehicle body while an opposite end of which is inserted through an empty space of the door (4) so as to regulate the maximum opening ratio of the door (4), wherein the door-checker bar is formed to be a cylinder having open both ends and circuit conductors for electrically connecting a harness at the vehicle body-side to a harness at the door-side are arranged inside the door-checker bar (1). The one end of the door-checker bar is inserted in a through hole (10) at the door-facing side (3). One side of the circuit conductors is provided with a connector to be connected to a connector at the vehicle body harness-side while an opposite side of the circuit conductors is provided with a connector to be connected to a connector at the door harness-side.