A cell wiring module includes: a plurality of coupling units that hold a plurality of connection members for electrically connecting electrode terminals of adjacent single cells; an opening end section positioned on one side of each coupling unit, and has a first engagement hole formed therein; a latching end section positioned on the other side of each coupling unit, and has a latching unit inserted into the first engagement hole of a coupling unit adjacent in the coupling direction, and latches onto the hole edge section of the first engagement hole; and a fluctuating movement restricting piece arranged at one of the opening end section and the latching end section, wherein the fluctuating movement restricting piece is inserted into a second engagement hole provided at the other of the opening end section and the latching end section of an adjacent coupling unit, and restricts fluctuating movements.