Originally Posted by alexwhittemore
They don't, they connect on the MULF in the trunk. If you mean you bought a newer HU with Bluetooth and USB built in, I don't know, sorry.
If you are talking about how to connect the mic to the HU when it is bluetooth built-in capable, then the diagram is the following:
MIC ---- HU ---- SIGNAL
Pin1 -- Pin1 -- Audio Positive
Pin2 -- Pin6 -- Audio GND
That is all.
Finally I managed to change the voice languaje to Spanish this weekend!