Source google image: http://3.bp.blogspot.com/-1NeHrY2pklI/UtMT47jN20I/AAAAAAAAMp4/XMlKmTsOFv8/s1600/schema+%C3%A9lectrique+autoradio.gif
Schema electrique ford focus 2003
Source google image: http://3.bp.blogspot.com/-1NeHrY2pklI/UtMT47jN20I/AAAAAAAAMp4/XMlKmTsOFv8/s1600/schema+%C3%A9lectrique+autoradio.gif