Wow, that is what I am taking about! I will have to get a picture up of the connection. A German site shows a guy building his own "receiver" that eliminates the tuner but it looks VERY complex to me.
Would be cool to be able to keep everything original. If I did have to hack into it, I would do it very skillfully as to not effect anything and to always be able to put it back to original.
Check this link out for what the German guy did. Has a pick of connector too.
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