Audi A6 C8 Door Wiring Harness Cable Loom Rear Left Right N/O/S 4K5971693BA

Audi A6 C8 Wiring Harness Rear Door Left Right is an original electrical installation component designed for the rear of the body, on the left and right sides. Thanks to its factory fit for the Audi A6 C8 model, the harness ensures consistent connection of all electrical consumers in the rear doors, minimizing the risk of malfunctions and compatibility issues. This is a practical solution for post-collision repairs, door replacements, or troubleshooting electrical faults in the rear door area.

Specifications and technical data

• SKU: 4K5971693BA
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K5971693BA
• Substitutable numbers: 4K5971693BA, 4K5 971 693 BA
• Location on the vehicle: Rear, Right, Left
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function of the Audi A6 C8 Door Harness

The presented harness belongs to the Wires, Harnesses, and Connectors group and is dedicated for use in the rear doors of the vehicle, both on the driver's and passenger's side. It is responsible for transmitting signals and power between the main body installation and the elements located in the doors, such as control modules, actuators, or lighting. Using original wiring preserves the car's factory electrical architecture, which is particularly important in modern Audi models where many functions are logically interconnected.

Construction and Fit for the Rear of the Vehicle

The harness has been specifically designed for the rear zone of the Audi body, taking into account wire routing through door grommets and at mounting points for factory clips and brackets. Its placement on the vehicle covers the rear left and rear right sides, allowing the component to be used when replacing wiring in both rear doors. Appropriately selected wire lengths and connector placement reduce mechanical stress and the risk of chafing during repeated door opening and closing.

Benefits of Using Original Audi Wiring

Using the factory harness in the Audi A6 C8 offers a number of practical advantages:

• preservation of the original electrical installation topology in the rear of the vehicle,
• secure connection of connectors to modules and components installed in the doors,
• reduced risk of installation errors compared to modifying universal wires,
• easier diagnosis of potential electrical faults in the future.

For users and service centers, this means more predictable installation and a lower risk of communication problems between control units and actuators in the rear doors. For premium vehicles like Audi, maintaining installation consistency directly impacts operational comfort and the stability of onboard systems.

Component Condition and Service Application

The offered harness is a component removed from a vehicle, allowing for economical repair while maintaining the original manufacturer's specifications. This type of wiring is particularly useful for:

• repairs after mechanical damage to the rear doors,
• resolving issues with intermittent power supply or communication in the rear door area,
• restoring the installation after unprofessional electrical modifications.

Choosing an original Audi harness helps avoid accidental mixing of connector standards and wire gauges, which is a common source of difficult-to-diagnose faults. This solution is particularly beneficial for workshops specializing in the Audi brand and for users who want to restore the vehicle to a near-factory condition.

Expanding the Installation in Audi – Wires, Harnesses, and Connectors

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

When planning more extensive work on the electrical system and drivetrain, it is also worth expanding your knowledge on selecting used components. Practical tips on assessing the condition of aftermarket parts, methods for verifying their functionality, and avoiding common mistakes can be found in the guide: Used Differentials – What You Should Know About Used Differentials, Sensors, and Drivetrain Systems.