Ok here we go guys I have 2004 deville dhs and im trying to put in a new 9.3 dvd hu in but I want eliminate all of onstar and steering wheel buttons dont really car I have a remote for that or chime so knowing that does anyone have a wiring diagram that could put me in the right place besides going thru buying a harness and all that jazz please you help will be appreciated. Also will is mess up the fob or security if I do that just need to know instead just jumping head firsg without any knowledge thanx...