To easily install a vehicular audio-apparatus in a vehicle by connecting a plurality of fuse terminal holders arranged in a fuse terminal with a plurality of electricity input wires of the vehicular audio-apparatus or electric power source terminals of a connector and bridging fuses over neighboring fuse terminals holders.

A plurality of fuse terminal holder (a) through (e) arranged at intervals of a fuse terminal are connected with a plurality of kinds of electric power input wires of a vehicular audio-apparatus or a plurality of kinds of electric power terminals of a connector and fuses 11, 11 are inserted between fuse terminal holders (a) and (b) and between fuse terminal holders (c) and (d). Moreover, fuses 11, 11 are inserted between the fuse terminal holders (b) and (c) and the fuse terminal holders (d) and (e). Furthermore, fuses 11, 11 are inserted between the fuse terminal holders (a) and (b) and the fuse terminal holders (d) and (e) and fuse terminal holders which are not used are covered with a slide cover 6.