IAM SURE I HAVE SEEN SOME WHERE ON THIS SITE WHERE YOU CAN FIT RETRO COMING HOME LIGHTS .... SOME 1 PUT A STEP BY STEP GUIDE UP .... THINK I NEED TO FIT A WIRE TO PLUG E PIN 12 OR SOME THING BEFOR SORTING CODE OUT IN VAG COME DONE ANY 1 KNOW WHERE THIS STEP BY STEP GUIDE IS THANKS