Connection Diagram:

For cars with separated immobilizer box, short W and K lines and remove immobilizer box.
For cars with dashboard immobilizer, cut W line from dashboard

For VW for Golf III, for Passat B4 Immobilizer Box Side

For VW Sharan 98, for Lupo 98, Polo 98, T4 Immobilizer Box Side

For VW LT 35 Immobilizer Box Side

For Audi 100, A6, A4, A8 Immobilizer Box Side

For VW B5, for Golf IV,for Beate(New), for Audi A2, A3, A4, A6, TT

GND --- Dashboard Blue connector pin 24
K --- Dashboard Blue connector pin 25
W --- Dashboard Green connector pin 5
IGN +12V --- Dashboard Blue connector pin 1