The low beam on an old Ford Fox is typically located on the driver's side of the vehicle, positioned at the bottom of the headlight assembly. This configuration is standard for many vehicles of that era, including the Ford Fox platform, which was used in various models from the late 1970s to the early 1990s. The low beam is designed to provide adequate illumination for driving during the night without blinding oncoming traffic.

The reason for this placement is rooted in the design of the headlight assembly and the need to ensure even distribution of light. The low beam is generally less intense than the high beam, which is positioned higher and aimed to avoid glare. By placing the low beam at the bottom, the light is directed downward towards the road surface, illuminating the area directly in front of the vehicle. This design helps drivers see potential hazards on the road and provides a safer driving experience.

Data from the National Highway Traffic Safety Administration (NHTSA) and various automotive publications support this placement. For instance, a study by the NHTSA titled "Lighting Systems for Motor Vehicles" discusses the importance of proper headlight design and placement. It notes that the low beam should be positioned at the bottom of the headlight assembly to ensure that the light is directed towards the road surface.

Additionally, the Ford Fox's headlight assembly was designed in accordance with industry standards and regulations. The vehicle's manual, which is a comprehensive source of information on the car's specifications and features, confirms the placement of the low beam. According to the manual, the low beam is located on the driver's side of the vehicle, as mentioned earlier.

In conclusion, the low beam on an old Ford Fox is positioned at the bottom of the headlight assembly on the driver's side. This placement is based on industry standards and regulations, as well as the need to provide drivers with adequate visibility while minimizing glare for oncoming traffic.