Well I purchased 2 rockford fosgate P2s 12 dvc, 4ohm from a guy on craigslist. I think the model #s are P212D4. I got everything hooked up(bridged). I have them hooked up to a kenwood amp, model kac-7201 or 7021. Cant remember. Anyway, got everything wire, turned it on and nothing. Had power to...