LED Headlight Load Equalizer 24, 12, 6 Volt for classic and vintage cars and tractors. Please use a load equalizers for your low beam, one per side if your headlights are not working properly after installation. Sometimes after upgrading the older car electrical system does not recognize the new technology. Please connect the load equalizer in parallel with the low beam circuit. To connect parallel means one end of goes to the chassis and the other end connects to your low beam. Please use one per the left headlight and right side headlight. Included are insulation displacement crimps IDC. The IDC are easy to install using pliers and easy to remove. Recommended to install to the metal of the car to help dissipate the heat. Works for 6 volt positive ground or negative ground cars, trucks and motorcycles. Can be used 6, 12 or 24 volt systems. The load equalizer is 6 ohm 25 Watt.