Product updated on 2021-02-04, SBx Parts - SBX:HID:RES, Light duty 50 watt resistor harness for HID conversions, pair, plugs into ballast connector (9005) 5 ohm, Electrical accessory used when installing LED lighting to a vehicle., One of the advantages of using LED or HID lighting is that they draw less power than incandescent lights. But some vehicles monitor the amount of draw used which can cause an error warning light or other symptoms when the vehicle does not think that there is enough draw. Our Resistors come in a variety of designs to be used in various different circuits to eliminate problems such as signal lights flashing fast, bulb out warnings and headlights flickering or turning off. These resistors can be either plug and play or designed to be hardwired in, depending on the application and style. Please refer to the individual notes.