Try this if you have 4ohm dvc's:
http://www.crutchfield.com/learningcenter/car/subwoofers_wiring.html?imageID=1DVC%5F4%2Dohm%5F2ch
If you have 2ohm dvc's try this:
http://www.crutchfield.com/learningcenter/car/subwoofers_wiring.html?imageID=1DVC%5F2%2Dohm%5F2ch
Wasn't clear on whether you...