Audi A4 B7 Cabriolet Rear Light Wiring Cable Adapter Right O/S 8H0945221C

Audi A4 B7 Cabriolet Rear Light Wiring Cable Adapter Right O/S is an original electrical installation component designed for the right rear light of the Audi A4 B7 generation convertible. This adapter from the Wires, plugs and connectors group ensures a proper electrical connection between the vehicle's wiring harness and the rear light, which translates into stable lighting operation and correct communication with the car's electrical system.

Specifications and technical data

• SKU: 8H0945221C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8H0945221C
• Substitutable numbers: 8H0945221C, 8H0 945 221 C
• Location on the vehicle: Rear, Right
• Part type: Wiring Pigtail
• Category: Sockets, Connectors & Wiring

Purpose and function of the adapter

The adapter is dedicated to the rear right light in the Audi A4 B7 Cabriolet and operates in the rear body section. Its task is to provide a secure, mechanically stable, and electrically correct connection between the lamp and the vehicle's installation, which is important for both position lights and other lighting functions integrated into the right rear lamp.

Thanks to its factory fitment for the specific convertible body model, the adapter allows for maintaining the original harness routing, proper cable management, and correct positioning of connectors within the lamp mounting space.

Construction and fitment to the Audi installation

The element belongs to the Wires, plugs and connectors group, which means it was designed as part of the vehicle's wiring system. The adapter's construction includes:

• dedicated connectors matching the rear right light in the Audi A4 B7 Cabriolet,
• appropriate cable length and geometry, facilitating installation in original mounting points,
• the use of connectors compatible with the factory Audi electrical harness.

Such a solution reduces the risk of loose contacts, accidental disconnection, and signal conduction problems, which is essential for the correct operation of the lighting and the electrical system diagnostics.

Practical application and benefits of installation

Using an adapter dedicated to a specific vehicle model allows you to avoid modifications to the installation, soldering, or the use of universal connectors. In practice, this means:

• easier installation in the location provided by the vehicle manufacturer,
• maintaining the consistency of the electrical installation with Audi service documentation,
• reducing potential faults resulting from non-original connections.

For the user, this translates into more predictable operation of the rear right light, and for the service – into simpler diagnostics of potential lighting problems.

Product characteristics and condition

The adapter comes from the Audi brand and is an original component designed to work with the vehicle's factory electrical installation. The product is in used condition, which in the case of wires and connectors means it was previously used in a vehicle but can still perform its function after proper installation.

Choosing an original rear light wiring adapter allows you to maintain component consistency within the electrical installation, which is particularly important in modern vehicles where lighting interacts with control and diagnostic systems.

Expanding work within the Audi lighting installation

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Audi and need other elements from the same group, such as additional adapters, connectors, or harness sections, check the available parts in the Audi Wires, plugs and connectors category.

When performing service work on electrical installations and control systems, it is also worth expanding your knowledge about typical faults and ways to select used components – you will find practical tips in the article Transmission: manual, automatic or DSG – typical faults and a guide to buying a used gearbox, which discusses the approach to purchasing used subassemblies in the context of operation and diagnostics.