i have a 2005 grand prix i had a 2000 i dunno if its the same cuz the 2000 had a bose and the 05 got a moonson

previous i used the pink wire for the remote wire could i still do tht on the 05

and with using a line out converter what wires do i come out of there are blue black yellow and another color i kno u gotta come outta the left rear but wht wires??

and if there is a better way which is the better way