What are the lights called on top of trucks?
What are the lights called on top of trucks? These are called Front Identification Lamps (and the NHTSA actually describes their purpose as simply to “indicate presence of a wide vehicle.”) Is it illegal to have a light bar on your truck? The short answer is no. The technical wording is that the light must not be in the drivers line of sight. This means, for most of us, that by placing a light bar on the top of your bull bar it will interfere with your line of sight. For those that have a low set loop or no...