Headlight Control Module Compatible With For S3 S4 S5 S6 S8 2010 2011 2012 2013 2014 Xenon Headlight H-ID Ballast Control Unit OE# 8K0941597B 8K0.941.597.B

Features: Adjust the voltage and current provided to the lamps, provide short circuit protection, open circuit protection, overload protection and load protection. Quick Start: The ballast is what helps your lamp ignite quickly. When the lamp is on, the ballast supplies a high voltage peak to the lamp. This helps to establish an arc between the two lamp electrodes, which causes the H-ID bulb to ignite. Lighting: Since vehicle lighting is very important to everyone on the road, the lighting system of this car H-ID xenon ballast can bring driving comfort while providing light to the road ahead. Tips: Please check your car accessories before purchasing to make sure they are the same as our products. After-sales service: If you have any questions about the quality of the product, please email us in time. We will help you.