To power up the module box, connect the red wire to a 12V power source (+). Connect the black wire to a ground connection.Make sure you do not mix these two wires up; connecting the two wires incorrectly e. Tapping the black wire to a positive connection and the red wire to a ground may result in permanently damaging the module box. IJDMTOY (MotoringMax) was founded in 2004 and has since become one of the largest automotive LED lighting retailers in the United States. We are located in Los Angeles, California and carry the most complete LED lights and accessories for all the cars and trucks. And we will do our best to assist you. Your satisfaction is our utmost concern! We are not responsible for international duty or custom charge. The item "Headlight Retrofit RGB LED Angel Eye Halo Rings For 2008-2014 Dodge Challenger" is in sale since Tuesday, January 5, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Lighting & Lamps\Light Bulbs\LED Lights". The seller is "motoringmax" and is located in El Monte, California. This item can be shipped to United States, Canada, United Kingdom, Japan.