ok i just bought this car its a 96z has the bose stuff in it....the radio worked fine in it before he pulled his stereo out of the car, he left me the box that is needed, but i dont know how to wire it in to make it work.. peripheral boxhas the regular speaker wires coming out of both sides but one side has a black wire..., I cant figure out how this works, i tried wiring it inline, didnt work, and whats the black wire for.


any help would be appreciated. Thanks