Connector Plug For 2013 - 2017 Cadillac XTS Headlight Xenon HID 8 Wire. This connector is custom pinned just for this application. Most sellers have a 1 size fits all approach with a wire in every hole leaving you unused wires that can corrode and short out . Please match your old part to this one to ensure compatibility . If you have any questions or requests feel free to message me I will respond in a timely manner .