i need to know what this is, what all it connects to and if i need it for my car to run
http://i170.photobucket.com/albums/u268/Yumaguy_photo/DSC03045.jpg
http://i170.photobucket.com/albums/u268/Yumaguy_photo/DSC03046.jpg
http://i170.photobucket.com/albums/u268/Yumaguy_photo/DSC03045.jpg
http://i170.photobucket.com/albums/u268/Yumaguy_photo/DSC03046.jpg