Audi A4 B8 Saloon Rear Lamp Tail Light Wiring Harness Plug Left N/S 8K0973706

The Audi A4 B8 Sedan Rear Left Tail Light Wiring Harness Connector is an original electrical system component designed to service the rear left lighting in the Audi A4 B8 sedan. Thanks to its factory design, the harness ensures a proper connection of the lamp to the vehicle's wiring, stable power supply, and correct communication with the body electronics. This is a practical solution for users who want to restore full lighting functionality after a collision, connector corrosion, or wire damage.

Specifications and technical data

• SKU: 8K5945095AA-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K5945095AA
• Substitutable numbers: 8K5945095AA, 8K5 945 095 AA, 8K0973706, 8K0 973 706
• Location on the vehicle: Rear, Left
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the Vehicle

The presented wiring harness with connector is an element of the electrical system responsible for powering and controlling the rear left lamp in the Audi A4 B8 sedan version. Its placement in the rear part of the body on the driver's side allows for a direct connection of the lamp to the vehicle's main wiring, without the need for modifications or adaptations of other connectors.

Thanks to its factory fit for the specific model, the harness helps eliminate common problems associated with unreliable connections, such as flickering lights, dashboard errors, or intermittent lighting failures. This is particularly important in modern vehicles where the light control system is integrated with comfort electronics and safety systems.

Connector Design and Installation Advantages

This item belongs to the Wires, Harnesses, and Connectors group, meaning it is designed as a complete connection between the lamp and the car's wiring. The connector used allows for quick, secure, and repeatable circuit connection without the need for soldering or additional adapters.

• Factory type connector matched to the rear left lamp in the Audi A4 B8 Sedan.
• Appropriately selected wire length allowing for free routing in the trunk space.
• Wire arrangement consistent with the original vehicle wiring diagram.

This solution facilitates installation both in a professional service center and in a well-equipped hobby workshop. Plug-and-play within factory connectors reduces the risk of installation errors and shortens repair time.

Application in Repairs and Diagnostics

The rear left tail light connector wiring harness is particularly useful in situations where:

• the lamp and its connector have suffered mechanical damage (e.g., after a collision or impact to the rear corner),
• contacts have overheated or melted due to prolonged current load,
• pins and wires have corroded due to moisture in the trunk,
• previous repairs were faulty, involving cut or modified wiring.

Using an original harness allows for the restoration of the factory wire routing and correct connector geometry, which simplifies subsequent computer diagnostics and eliminates the need for makeshift connections. This is a beneficial solution for those who want to maintain the consistency of the electrical system with the vehicle's service documentation.

Product Characteristics and Condition

The offered item is part of the Audi brand, which translates to compliance with factory standards of manufacturing and fit. The harness comes from disassembly, making it a reasonable compromise between repair cost and maintaining original component quality. For many users, this is a way to economically and technically correctly replace a damaged section of the wiring.

Using a used OEM part is particularly cost-effective for older Audi A4 B8 models, where replacing the entire lamp with a new harness could be disproportionately expensive. The original connector geometry and factory wire routing help maintain system consistency and reduce the risk of compatibility issues.

Complementary Audi System Components

If you are planning a comprehensive repair or upgrade of the rear lighting area in your Audi and need other components from the same group, such as additional harnesses, connectors, or wire sections, check the available parts in the Audi Wires, Harnesses, and Connectors category.

When planning your repair budget, it is also worth considering the broader use of original disassembled parts. You can read about how to sensibly select used components and where their application is most cost-effective in the article Rising Repair Costs and the Boom in Used Parts – How to Save on Car Servicing?.