There is provided a harness connector comprising: a first terminal housing with plural first connector terminals aligned and accommodated therein; a second terminal housing with plural second connector terminals aligned and accommodated therein, the second terminal housing being engaged with the first terminal housing in use, each of the first connector terminals being connected with a counterpart one of the second connector terminals; and a pressing member, wherein: when the first and second terminal housings are engaged with each other, the first and second connector terminals are alternately stacked in such a manner as to provide a stack of plural terminal pairs consisting of a different one of the first connector terminals and its counterpart second connector terminal; the first and second connector terminals of each terminal pair are fixed each other by the pressing member and are electrically connected; and neighboring terminal pairs are electrically insulated from each other.