i have a sony head unit in my fiesta and it has an AUX input i can plug my ipod into this no probs.

in my cossie i have an alpine 9835r the kca 420 is the littl box of tricks that allows you to plug your ipod into your headunit

alpine only im affraid

havea look at it

http://www.alpine-europe.com/alpine/...e-kca-420i.htm

its a great bit of kitm i went out and bought a new headunit and the box just to have it