Package includes 2X 3157 4157 LED Load Resistor Decoder Fix Hyper Flash for LED Turn Signal Light, Fix Switchback LED Turn Signal Light Hyper Flash, Resistor Warning Flicker Canceller Decoder
They are used to fix Switchback LED error code or fast blinking issues related to the low current draw when using LED bulbs upgrading the halogen bulbs.
Build-In with 50W 6-Ohm Double Load Resistors can be installed on 3157 3357 LED bulbs for turn signal light with no annoying rapid flashing nor error message/code on your car dashboard.
Cross reference numbers: 3157 3357 3457AK, 3357ALL, 4114K, 3157X, 3057KLCP, 3757AK Voltages: 12V, Wattage: 50W Easy Installation , No mechanic required, it is 3 Locking Tabs Connector, Please Confirm That your Factory Connector is 3 Locking Tabs.
When you use LED bulbs for turn signal, you may need to use the load resistor or decoder to prevent hyper flash or bulb malfunction. - If the LED does not light up, you can just simply flip it 180 degrees