I have a dynaudio system in my car but the previous owner replaced the stock receiver with an aftermarket one and bypassed the amp because it got water damage. Brilliant VW for the B5s it was the CCU and for the B6s it's the amp under the seat. Anyways, I want to replace it but the only amps and receivers I can find at the scrap yard are different part numbers. The parts guy at VW said that the amp may not work because it has different coding but my question is if I take the amp and the receiver out of a scrapped car would it work? My thinking is it should but has anybody done this or have experience with this? Are the connections at the back of the receivers and amps different for different part numbers? Any help would really be appreciated.