i have a 05 trailblazer ls 4x4 with the bose sound system. they hacked up the harness and tried to tap into the factory amp. I want to run all my own speaker wire, and all my aftermarket head unit and amp wiring separate from the factory amp. haven't decided I im going to rip it all out or go around it. so my question is, if I rip out all the old bose system and run my own will it effect anything with the vehicle. I heard it stops your door chimes and stuff im not to worried about that just drivability. and also what If I rip out the onstar so I can put my amp under the seat does that affect anything?