Why do my headlights only work on high beam?
Most headlight failures that are limited to just high or low beams are related to a relay or the high beam control switch. Headlights work but seem dim. The cause: Foggy lenses, worn out bulbs, or a charging system issue. The fix: Clean the lenses, replace the bulbs, or repair the charging system.
Which headlight is high beam?
High beam headlights are the lights you use when its pitch black outside, or when you’re driving down a winding country road in the dark. Most drivers don’t use their high beams very often, but you definitely don’t want to be without them. High beams are distinguished from low beams by their brighter light.
Can you put low beam bulbs in high beam?
Most modern vehicles have a single bulb with two filaments. Generally, you’ll have a standard halogen bulb for low beams, and then an HID bulb for your high beams. These are not interchangeable. Both require a different bulb (HID bulbs are significantly more expensive than halogen bulbs, as well).
Why do high beam headlights work but low beams don’t?
Most headlight systems are also designed with a relay that switches the power between low beam and high beam headlights. If this relay goes bad, it could allow power to the high beams, but not the low beams. 1. Headlight Bulbs This is the most common reason we see for why a car’s high beam headlights work but the low beams don’t.
What happens when the low beam dimmer doesn’t work?
The most common (and well, probably the only one) is usually the low beam headlights don’t work. In my personal experience, when the Low-High Beam Headlight Dimmer Switch has failed, you’ll only be able to roll around using the high beams only. Well, in this article, I’ll show you how to test it in a step-by-step way.
Where is the low high beam headlight dimmer switch?
As mentioned at the beginning of the article, the Low-High Beam Headlight Dimmer Switch is part of the Turn Signal Assembly. If you have already taking the steering column covers off, you’ve noticed that the turn signal switch has a lot of wires connecting to it.
What to do if your low beams don’t work?
Either way, if your low beams aren’t working but your high beams are, the first things we check are the bulbs. If you’re thinking of replacing the headlight bulbs yourself, make sure you’re familiar with the correct installation procedure for the type of bulb you’re replacing.