BATTERY WIRING MODULE

A battery wiring module 10 is to be attached to an electric cell group (13) constituted by an array of a plurality of electric cells (12) each having positive and negative electrode terminals (11), and includes a bus bar (20) to be connected to the electrode terminals (11), a detection wire (33) for detecting a state of the electric cell group (13), a resin protector (40) for holding the bus bar (20), a lid portion (61) that covers the bus bar (20) and is made of an insulating material, and at least one wall portion (64) disposed on a face of the lid portion (61) opposite to the bus bar (20) in a direction intersecting the lid portion (61), the at least wall portion (64) forming a routing space (S) in which the detection wire (33) is routed.