Connector with erroneous arrangement identifying portion.

A connector, comprising:

• a housing (10) including a cavity (11) and a mounting hole (17) communicating with the cavity and open in one surface of the housing (10);
• and
• a retainer (60) to be arranged in the mounting hole (17) and including a retaining portion for retaining a terminal fitting (90) in the cavity (11),
• wherein:
• the retainer (60) includes a locking protrusion (66) projecting toward a surface of the housing intersecting with the one surface;
• a resilient wall (18) disposed on the intersecting surface of the housing (10) and defining at least part of the mounting hole (17), the resilient wall (18) including a part capable of interfering with the locking protrusion (66) is;
• the resilient wall (18) includes a lock receiving portion (23) for lockingly receiving the locking protrusion (66) by resilient return of the resilient wall (18);
• an erroneous arrangement identifying portion (27) disposed on an inner surface of the mounting hole (17) of the housing (10) for restricting an erroneous arrangement of the retainer (60) into the mounting hole (17);
• and
• the erroneous arrangement identifying portion (27) is a rib-like part provided on the resilient wall (18).