How to install When using the door puddle light you need to use to gently pry off the original light with a screwdriver and then replace it. (Please make sure the original car has lights) For 4 prongs car door light socket find out the 2 prongs with metal then connect them. For 2 prongs car door light socket and our puddle lights can be inserted into it directly no adapter needed just pop our puddle lights in your car light socket directly.