Headlight daytime running light and turn signal light source driver module - This module is designed to fix issues where vehicle lights do not illuminate or appear dim, improving daytime running light function and overall visibility. - Direct replacement for non functioning high beam or low beam systems. It helps restore full nighttime lighting and driving safety. - Material: metal construction for better heat dissipation and durability. - Features: the internal waterproof circuit board is bonded with adhesive to protect electronic components and reduce vibration for reliable operation. - Compatibility and use: intended as a direct replacement DRL/turn signal light source module in compatible vehicles; verify fitment for your vehicle. - Performance benefits: improved lighting reliability and consistent performance in varying driving conditions. Use scenarios 1) Replacing a faulty daytime running light module to restore DRL operation and improve daytime visibility. 2) Replacing a non lighting high beam or low beam module to regain full night illumination. 3) Installing in hot climates or for long drives where enhanced heat dissipation maintains stable lighting performance.