Features of LED/HID headlight Canbus Load Resistor Decoder : This product features a pair of high quality Error Free H7 load resistor wiring harness It works as warning canceller, decoder, capacitor, or blinker rapid Flash Equalizer to ensure no error message for LED Light or Xenon HID Lighting to install on Headlight (high or low beam) / Fog Light / Daytime Running Light DRL lamp with H7 housing adapter It will overcome the problem of OBC Warning Error code, excessive flashing or bulb rejection; since standard LED light and Xenon HID light may not work properly on European and latest Japanese vehicles with OBC CAN Bus wiring system H7 H8/H9/H11 9006 9005 Lamp bulb connector / socket Male and Female connector included; Quick instant Start-Up time Easy pre-wired, Plug & Play installation, Do not need modification of stock wires It works at ~12V Note:1.PLEASE make sure the power is OFF during installation2.Failure due to the different models modified LED lights for different reasons, so we can not guarantee that all car failure problems can be solved.