Link;
http://www.my-gti.com/2150Stokebaloon provided this parts list information so thank you to him
The door controller is part of the Electric window motor, and is served by a FB plug that has 32 pins.
Pin 18 is Door warning live and 19 is ground.
1K0 947 411 A (1K0947411A) - Door Warning Light (1 per door)
1J0 971 972 (1J0971972) - Connector Housing (1 per door)
000 979 019 (000979019) - Repair Wire for Connector Housing above (1 per door)
000 979 009 (000979009) - Repair Wire for 32 pin plug (1 required per door)