Audi A6 C6 Front Passenger Door Wiring Left N/S Harness Loom Cable 4F1971036A

Audi A6 C6 Front Passenger Door Wiring Left N/S Harness Loom Cable is an original electrical component from the Wires, harnesses and connectors group, designed for the front left passenger door. It ensures the correct connection of all electrical components in the door to the vehicle's body wiring, which translates into stable operation of comfort and safety systems.

Specifications and technical data

• SKU: 4F1971036A
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F1971036A
• Substitutable numbers: 4F1971036A, 4F1 971 036 A
• Location on the vehicle: Front, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the passenger door harness

The presented harness is dedicated to the front left passenger door area in Audi vehicles, where it is responsible for transmitting signals and power between the body control modules and the components located in the door. This includes typical components installed in this area, such as window controls, central locking, or the side mirror, ensuring that the door installation remains consistent with the rest of the vehicle's electrical system.

Thanks to factory-standard cable routing and properly selected connectors, the harness helps maintain order within the door, minimizes the risk of insulation abrasion, and reduces susceptibility to electrical interference.

Construction, connectors, and mounting compatibility

The harness is designed as a component that fits the factory mounting points in the door and the grommet between the door and the pillar. The connectors used are configured for specific sockets in the door and body, allowing for a plug-and-play style installation without the need for modifying the wiring or soldering cables.

The layout of the cable branches is adapted to the typical equipment configuration of the passenger door, which facilitates correct routing of the harness and reduces the risk of incorrect connection. This type of solution is particularly beneficial when replacing a damaged installation after a collision, flooding, or mechanical failure of the door grommet.

Benefits of using an original Audi harness

Using an original door harness in an Audi A6 C6 allows for maintaining the consistency of the electrical installation with factory service documentation. This facilitates diagnostics using service testers and reduces the risk of errors related to incorrect circuit resistance or improper pin assignment.

Key advantages of this solution include:

• factory fitment for the front left passenger door,
• preservation of original cable routing and mounting points,
• easier circuit identification during repairs and modifications,
• reduction of the risk of faults resulting from installation modifications.

Service and modernization application

The passenger door harness is suitable both for standard replacement of a damaged installation and for expanding door equipment with additional functions, provided they are supported in the given vehicle configuration. By maintaining the original electrical architecture, it is possible to restore full door functionality in an organized manner after bodywork repairs or after replacing the entire door.

This solution is particularly useful in vehicles where there have been issues with intermittent operation of door components, module communication errors, or damage to the wires in the grommet between the door and the body.

Expanding the installation in the Audi wires and harnesses group

If you are planning a comprehensive repair or modernization of the door area in your Audi and need other components from the same group, such as additional door harnesses, body wiring sections, or service connectors, check out the available parts in the Audi wires, harnesses and connectors category.

To better understand the impact of a functional electrical installation and related systems on the durability of car components, it is worth reading our guide on the operation of the cooling system and the consequences of engine overheating: Engine cooling system – overheating, repair, and used radiators.