An electrical connector including a plurality of electrical terminals; and a housing having the electrical terminals connected thereto. The housing includes a first housing member and a second housing member movably connected to the first housing member. The first housing member includes snap-lock latches which lock the terminals in terminal receiving channels of the first housing member. The terminal receiving channels include a first row of the terminal receiving channels with a first one of the terminal receiving channels and a second one of the terminal receiving channels being separated from each other by a wall of the first housing member, and the first housing member having a substantially open wall area between a third one of the terminal receiving channels and the second terminal receiving channel. The second housing member is adapted to at least partially close the open wall area.