How to connect GROM adapter into AUDI with "Symphony II"
In order to connect GROM adapter into AUDI with "Symphony II" car stereo you will need:
1. Get the stereo harness connected at the back of the radio
2. Cut the 8 pin part on the left side of the harness as shown below
3. Place GROM harness into the open space at the back of the car as stated in Installation Document
This operation will not affect any function performed by the radio as in most cases the left part of the harness is not connected.
If you do not want to break any of the original harness, you will need GROM part AUDI AUDS harness.
It is sold here >>