i drive a 2004 chevy impala i know this is the wrong section but i have a question. i dont have onstar in my car all i have is the factory cd player and fm radio. im looking to replace my radio with a pioneer head unit. my question is do i have to have a special harness for my radio or what the one on crutchfield is $99 i was just wondering is it neccesary for it
well buy the head unit and go from there, it can be installed no matetr what, your just looking for options, and you might answer your own questions buy just looking stuff over.