The Putco Plug Play Resistor Kits are designed to stop hyper - blinking when installing LED turn signal bulbs. The easy, no splice design simply plugs in between the taillight harness and the LED replacement bulb. This kit includes two resistors and is able to be used on all import and domestic vehicles. Its compact design makes this wiring kit super easy to install with no cutting or splicing. Do not cut or splice into your factory wiring, keep it truly PLUG AND PLAYIMPORTANT NOTE To ensure optimal functionality and protect against potential damage, it is crucial to mount metal load resistors securely onto the metal frame of your vehicle. This precautionary measure is essential in mitigating the risks associated with the high temperatures that these resistors typically operate at.Designed by Putco Inc. of Des Moines, IA.