Terminal retainer for connector

A connector comprising:

• a connector housing having a plurality of terminal chambers;
• a plurality of terminal members to be inserted in a respective said terminal chamber, each of said terminal members having an electrical contact portion;
• and
• a terminal retainer adapted for engaging with a rear portion of said connector housing initially in a first stage engagement position and then in a second stage engagement position, said terminal retainer having a plurality of flexible pins for extending into the terminal chambers of said connector housing,
• each of said terminal members being inserted into a corresponding said terminal chamber when said terminal retainer is in the first stage engagement position,
• each flexible pin of said flexible pins of said terminal retainer including an engaging end portion,
• each terminal chamber including a stopper for detecting unsatisfactory insertion of each said terminal member, each said stopper being located in a respective said terminal chamber such that said stopper abuts against the engaging end portion of one of said flexible pins on said terminal retainer for preventing said terminal retainer from shifting from said first stage engagement position to said second stage engagement position when said terminal member is unsatisfactorily inserted and such that said stopper does not interfere with satisfactory insertion of said terminal member, said flexible pin thereby allowing said terminal retainer to shift from said first stage engagement position to said second stage engagement position when said terminal member is satisfactorily inserted.