hd 1200/1

Hi, New to all this but have gone out and bought the following for my E46 BMW. JL HD 1200/1 JL HD 600/4 JL C5 650 JL C5 C50x JVC KDAVX-77 In regards to the 1200/1 and the Sub. Does any one know how I should wire the voice coils? I think my installer put a positive from the amp going to...