inputs.text: works advertised - put car maybe year ago instructions said long cannot recall actually came paper instructions find thehem online not hard find put 2004 pontiac grand prix jammed power ground pins radio cannot recall followed nearly instructions along wiring diagram cars radio know pinout use cdaux switch no problehem need make mount never gotten around maybe get piece wood screw use adhesive attach inside plastic dash shell radio chassis room mention let know basic get see see works least year