370650 Product Description LED Decoder， no more OBC warning， fix Hyper Flashing.This is BA9S Error Free Load Resistor LED Decoder.Use most when you met the Failure when your try to converted your original Halogen lamps to LED Lights.The BA9S Error Free Load Resistors works as warning canceller， decoder， capacitor， or blinker rapid Flash Equalizer to ensure no error message for LED Light / Xenon HID Light to install in your car.