![]() ![]() Note: A traditional fog light assembly is also aimed at a little more of an angle, off to the side of a vehicle, to improve the field of vision. There are several minor variations, as far as the actual location of the fog light switch, but this article is written in a way that you will be able to apply the basic principles to get the job done. The common location that most manufacturers use is on the dashboard. The focus of this article will be changing a fog light switch. With the sophistication of the modern vehicle, and the needs for more and more wiring, weight has become a major factor in the engineering of the car of today. This is not only less stress on all of the components involved, but also allows carmakers to save a considerable amount of weight. This way, there is much less draw on the charging and electrical systems throughout the vehicle. This switch can fail, and symptoms of this range from a blown fuse to a flickering lights or lights that do not work at all. The relay is designed to use the low voltage signal to trip a switch internally that also controls a battery voltage signal that is sent to the fog lights. This switch sends a low voltage signal to a relay. Most manufacturers mount a switch on the dash to activate the fog lights. When you try turning on the high beam headlights, you will notice that distance and field of vision actually get worse. These also have a tendency to penetrate fog easier, as a bright white light tends to reflect back from the fog and actually hinder vision the brighter it gets. The light is able to penetrate the less dense fog at the lower level and therefore project its beam much further.Īdditionally, fog lights are typically an off-white or amber color. This is the biggest reason fog lights are normally mounted lower on the front of the car than the other lights. For this reason, most manufacturers typically mount the fog lights in the front bumper or on the lower valance.įog is normally less dense the closer you get to the ground. Fog lights were originally intended to aid with visibility in the presence fog. Most, but not all, vehicles today come equipped with fog lights. ![]()
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