Posted on 5/30/2025
If your headlights flicker every time you hit a bump in the road, it’s a sign that something is loose, worn out, or failing in your vehicle’s electrical or lighting system. Since headlights are essential for nighttime driving and visibility, any issue that affects their consistency should be taken seriously. Let’s examine the most common reasons your headlights might flicker when driving over bumps and what you can do to fix them. Loose or Damaged Headlight Bulbs One of the simplest and most common causes is a loose headlight bulb. Over time, vibration from normal driving can cause a bulb to shift slightly in its socket. When you hit a bump, that momentary movement can interrupt the connection, making the light flicker. In some cases, the bulb may not be seated correctly, or the metal contacts may be corroded or dirty. Replacing the bulb or reseating it securely often solves the issue. If corrosion is present, cleaning the contacts or replacing th ... read more