Why do my lights only flicker sometimes?
Why do my lights only flicker sometimes? Flickering or blinking lights are usually caused by one of the following: Problem with the bulb (not in tight enough, lightbulbs are incompatible with your dimmers) Faulty switch or dimmer. Appliances or HVAC units pulling large amounts of current on startup, causing a voltage drop. What does it mean when your dash light is flickering? Flickering or pulsing dash lights certainly indicate a problem with your car, but determining the exact cause is usually a job left to a mechanic with the right tools to test the electrical system of your vehicle. Why...