Audi A6 C7 4G Rear Door Harness Wiring Loom Cable Left N/S 4G5971687BQ

Audi A6 C7 4G Rear Door Harness Wiring Loom Cable Left N/S is an original electrical installation component designed for the rear left door of the Audi A6 C7 generation. Thanks to its factory design, it ensures proper signal and power routing between the door and the vehicle body, which translates into stable operation of the electrical equipment. This is a solution for users who expect consistency with the factory installation without the need for modifications.

Specifications and technical data

• SKU: 4G5971687BQ
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G5971687BQ
• Substitutable numbers: 4G5971687BQ, 4G5 971 687 BQ, TAB 010 403 CK, TAB010403CK, 4L0 971 841, 4L0971841
• Location on the vehicle: Rear, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The door wiring harness is responsible for the electrical connection of the rear left door to the vehicle's main wiring system. Its placement in the rear – left side of the body area makes this component crucial for the correct operation of electrical components mounted in these doors, such as controls, lighting, or other functions provided by the manufacturer.

The original design for Audi allows maintaining compatibility with the factory wiring layout, which reduces the risk of installation errors and compatibility issues. The harness is matched to the geometry of the door and grommets, ensuring that the cable routing is organized and in accordance with the manufacturer's specifications.

Construction and technical advantages

The element belongs to the Wires, harnesses, and connectors group, which means it has been designed for stable signal transmission and protection of wires against mechanical damage. The connectors used are factory-matched to the Audi installation, which enables installation in a plug-and-play manner, without the need for soldering or creating additional adapters.

The most important technical advantages of this harness include:

• dedicated design for the rear left door in the Audi A6 C7,
• factory connectors compatible with the original vehicle installation,
• cable routing matched to the door and body structure,
• consistency with the electrical parameters provided by the manufacturer.

Service application and installation

The rear left door wiring harness is suitable both for typical repairs after mechanical damage or wire corrosion, and for replacing the component as part of electrical fault diagnostics. Using an original harness allows for maintaining uniformity of the electrical installation throughout the vehicle, which is important for subsequent computer diagnostics.

Due to the factory connectors and matched cable length, the installation process is orderly – the harness guides the installer along the path provided by the manufacturer, which facilitates correct placement in grommets and mounts. This solution is particularly beneficial for professional workshops and for users who want to avoid experimenting with universal wires.

Characteristics as a used part

As a part from the secondary market, the harness comes from dismantling, which allows maintaining the original manufacturer's specification while reducing repair costs. For many Audi users, this is a reasonable compromise between quality and budget, especially in the case of electrical installation components, where compliance with the factory design is of great importance.

By choosing this harness, you receive a component that has been in use but can still ensure stable operation of the door electrical system, provided it is correctly installed and its condition is verified before installation.

Selection support and additional information

When selecting a door harness for a specific version of the Audi A6 C7, it is worth paying attention to compatibility with the vehicle's equipment and its placement on the vehicle. In case of doubt, it is helpful to compare the connectors used and the wiring configuration with the component currently installed in the car.

If you are planning a comprehensive repair or upgrade of the door electrical installation area in your Audi and need other elements from the same group, such as additional harnesses, wires, or connectors, check the available parts in the Audi wires, harnesses, and connectors category.

For users considering the choice between a used original part and a replacement, an article explaining the differences and selection criteria may be useful – you can find it here: 5 reasons why a used OEM part is a better choice than a replacement.