370791 LED Decoder， no more OBC warning， fix Hyper Flashing. This is 1156 BA15S 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 1156 BA15S 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， such as the turn signal light， stop light， reverse light， tail brake light with 1157 BAY15D housing adapter.