1. For cars with separated immobilizer box, short W and K lines and remove immobilizer box. 2. For cars with dashboard immobilizer, cut W line from dashboard. 3. GND --- Dashboard Blue connector pin 24 4. K --- Dashboard Blue connector pin 25 5. W --- Dashboard Green connector pin 5 6. IGN +12V --- Dashboard Blue connector pin 1 7. Fits for VW Golf III, Passat B4, Sharan 98, Lupo 98, Polo 98, T4, LT35, A8, B5, Golf IV, New Beate / Audi 100, A6, A4, A2, A3, A4, A6 and TT.