Ford Transit Mk8 Front Window Windscreen Rain Light Sensor BV6T-17D547-AD

Ford Transit Mk8 Front Window Windscreen Rain Light Sensor is a component from the Electronic control modules and controllers group, responsible for the automatic control of selected comfort and safety functions. Mounted in the windshield area, it works with the vehicle's electrical system, ensuring precise detection of precipitation and ambient light intensity.

Specifications and technical data

• SKU: BV6T-17D547-AD
• Mark: Ford
• Condition: Used
• OEM Part Number: BV6T-17D547-AD
• Substitutable numbers: BV6T-17D547-AD, BV6T17D547AD, 1778736
• Location on the vehicle: Front
• Category: ECUs & Computer Modules

Function and application of the rain and light sensor

The presented sensor operates in the windshield area, where it monitors both the appearance of raindrops and changes in ambient brightness. Based on this data, the vehicle's controller can automatically:

• activate and regulate the operation of the wipers,
• adjust their operating frequency to the intensity of the rainfall,
• support the automatic exterior lighting system.

Thanks to this, the driver gains convenience of operation and stable visibility conditions, which translates into safer driving in changing weather conditions.

Benefits of using an original Ford module

The sensor belongs to the Electronic control modules and controllers group, which means it works with other electronic systems of the vehicle. Using an original Ford solution ensures:

• proper communication with the electrical installation and body controllers,
• proper fitment to the windshield mounting,
• stable operating parameters under typical Transit Mk8 operating conditions.

This is particularly important for components responsible for automatic comfort functions, where reading precision and operational repeatability have a direct impact on the perceived quality of vehicle usage.

Mounting characteristics and vehicle integration

The sensor is designed for installation in the front part of the vehicle, in the immediate vicinity of the windshield, so that it has constant optical contact with its surface. This allows it to correctly analyze:

• the presence of water on the glass,
• changes in daylight and artificial light intensity,
• conditions in which rapid activation of wipers or lights is required.

Proper integration with the electrical harness and body controllers allows for the maintenance of automatic functions, which are standard in modern versions of the Transit Mk8.

Component condition and practical aspects

The offered sensor is a used component, which in practice means the possibility of an economical repair of the system without the need to invest in a new part. For many fleet users and service workshops, this is a reasonable compromise between cost and functionality, especially when the priority is restoring full efficiency of the automatic control system in the vehicle.

If you want to better understand when choosing a used electronic module is cost-effective and what to look for when selecting such components, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Expanding the electronics system in a Ford

If you are planning a comprehensive repair or upgrade of the body electronics area in your Ford and need other components from the same group, such as control modules, comfort controllers, or additional sensor systems, check the available parts in the Ford electronic control modules and controllers category.