Match wire colors — Match each pigtail wire to the corresponding vehicle wire by color. Splice the wires — Use heat-shrink butt connectors for a waterproof, vibration-resistant connection. Insert one wire from each end and crimp. No confusion, no part hunting, just results. Examples of the more popular types are xConnect, Ray Wu, Paul Zhang, Daniel Zhang, and many others. Lets start by looking at a single pixel, you will notice that there are either the more common three or less common. Romtronic offers high-quality, customizable pigtail connectors designed to handle diverse wire gauges, voltage requirements, and harsh environments.