Retro fitting VW Aux-in Lead Golf MK5

[J400uk]

It would make sense if this only works with the 2007MY onwards 'silver button' head-units, as that was when an AUX socket became an optional extra on the price list.

See http://www.michaelneuhaus.de/golf5/golf5modjahr.htm "New Option: Multimedia socket for external audio sources"

In the UK this was a £25 factory option

When using this connector the display will show "AUX IN":



... but with the connects2 the display will just see it as a cd changer:


This is all in theory though, I've only ever used the official iPod adaptor, not the above two setups.