Aid on a misty night

• Wide-beamed shiner
• It's usually a yellow light
• Front-of-car accessory
• It's often amber
• Aid for dealing with pea soup
• Bright light in inclement conditions
• Light used in murky conditions
• Headlight that provides strong beam for use in foggy weather
• One may be mounted close to a grille

Wiktionary Word definitions in Wiktionary
n. A wide automotive lamp intended to increase visibility in poor weather conditions.