inputs.text: not 2003 trailblazer w6disc indash changer - purchased neucleus ai digital ipod interface hoping finally able rid cheapsounding rf modulators ipod nano aftermarket xm radio live market crowded fm band theres no thing \\unused\\ frequency done research elsewhere suggested adapter would trick mistaken though installed relatively easily unit seemed initialize ok \\takeover\\ signal key sequence radio controls tell neucleus inject ipod signal not anything turns 6disc changer head unit 2003 trailblazer gmc doppelganger envoy neither \\cdchanger ready\\ \\xmcompatible\\ im not sure youd know casual consumer im warning anyone else thought could get free rf modulators still keep 6disc changerthere apparently no solution market work particular head unit ive given product 3 im sure used compatible vehicle works like champ didnt want run ground unnecessarily