Universal 2Stroke PWM Module Pair H4 9003 (H806)Description Eliminate frustrating headlight flicker with the Morimoto 2Stroke Anti Flicker harnesses, designed for LED headlight bulbs on pulsed voltage circuits. These high quality, die cast PWM modules feature powerful 10K mF capacitors to smooth out current, ensuring a stable and consistent power supply to your LED bulbs. With their plug and play design, durable construction, and integrated mounting points, these harnesses offer a simple,