Abstract: A light assembly for use on vehicles in which a back plate on which a plurality of light bulbs is disposed, a housing to which said back plate is fixed and lens member disposed opposite to said back plate and which covers the opening of said housing, comprising electroconductive sockets to support said light bulbs, respectively, insulative socket holders to hold said sockets on the back plate, respectively, terminals electrically connected to said sockets, respectively, and an earth wire both electrically connected between said terminals and connected to the earth; said earth wire being made of a coated conductor and stripped at portions corresponding to said terminals, respectively, each of said terminals having formed thereon a pair of tongues which grasps said stripped portion of the conductor.