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Sorry, I think I’ve seen the wire you were talking about now. Thanks for the help

Thanks for the reply. Wouldn’t that give the illumination wire a constant 12v? I assumed that it needed to be connected somewhere to the lights so the voltage changed as the light were turned on, but I don’t really know how this all works, hence why I’m confused.

Hi. I’m currently doing this myself in a 2009 9n3 with the same radio, but I’m not sure where I should connect the illumination wire as that doesn’t seem to be a grey/blue wire that went into the back of the old radio.