Electrical connector for boards and method of making

An electric connector for boards, comprising:

• a housing, made of an insulating synthetic resin, including a connecting recess opened in a connecting direction;
• and
• plural terminals retained laterally arranged in the housing,
• wherein the housing further includes:
• a pair of opposed side walls extending laterally so as to define a connecting recess therebetween,
• plural terminal retainer recesses penetrating through respective side walls in the connecting direction,
• plural partition walls for separating the adjacent terminal retainer recesses from each other, and
• plural openings formed in outer side surfaces of both of the pair of opposed side walls, corresponding to respective partition walls,
• wherein, through each opening of the plural openings, a pair of the terminal retainer recesses adjacent to each other via one of the partition walls corresponding to the opening are opened to the exterior of housing.