Cruise control installation guide
First, remove the battery ground cable! Wait at least 15 minutes before removing the airbag. There are two screws behind the wheel, torx T30. Remove the airbags connector by prying it out. If you have heated steering wheel, remove that connector also. The wheel is fastened with the XZN 12 bolt. Notice the steering wheel position, and remember it when installing back.
Then remove the steering colum lower panel and compartment. Remove the switch assembly.
Open the ECU housing, and locate the white T15 connector. There are two possibilities to connect the wires, to the original connector, or using extra connector. If you want to use the original, unclip it from the connectors housing bracket and pull it as fas as possible to the foot well.
Remove the white connector lock plugs (two pieces) and install the wires to the connector.
T15 connector and pinouts:
Wires goes to: T6y/1 -> T15/7, T6y/2 -> T15/8 , T6y/3 -> T15/9, T6y/4 -> T6y/6, T6y/5 -> power +, T6y/6 -> T15/10 (T6 connector is on the cruise)
The cruise must be activated with the VAG-COM. You can check the functioning from measuring block 66. Cruise OBD guide
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