Why Do My Headlights Flicker When Braking?
Why Do My Headlights Flicker When Braking? Some vehicles may exhibit the headlights flickering when the vehicle is decelerating (by applying the brakes) with the headlights on. This concern is caused by inadequate alternator output (controlled by the PCM) when the battery is under heavy load. What causes headlights to dim while driving? Most DIYers