Quick plug-and-play adapters allow you to add additional running lights, turn signals and/or brake lights without touching stock wires No cutting or splicing which makes the adapter simple to install and remove Works great with Custom Dynamics Plasma Rods, Knight Riderz, and TruFLEX; Note: To convert to a brake/running light set-up you will need Custom Dynamics Plasma Rods Dual Converter 138-447.