Audi A4 B9 A5 F5 Door Wiring Loom Harness Cable Rear Left Right N/O/S 8W0971693M

Audi A4 B9 A5 F5 Door Wiring Loom Harness Cable Rear Left Right is an original door wiring harness designed for installation in the rear left or right door. As a component from the Wires, harnesses and connectors group, it ensures a proper electrical connection between the door and the vehicle body, supporting the stable operation of factory comfort systems. By maintaining the manufacturer's specifications, the installation remains consistent with the factory electrical architecture of Audi.

Specifications and technical data

• SKU: 8W0971693M
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0971693M
• Substitutable numbers: 8W0971693M, 8W0 971 693 M, 8W0919063, 8W0 919 063, 8W0947355F, 8W0 947 355 F
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented door wiring harness is dedicated to Audi A4 B9 generation and Audi A5 F5 generation models, for the rear door area on the left or right side. It is responsible for transmitting signals and power to components located in the door, such as control modules, actuators, or lighting elements, in accordance with the factory installation design.

Its placement in the rear part of the vehicle allows for maintaining proper communication with the central body control modules, which is crucial for the stable operation of comfort and safety systems. A correctly selected harness reduces the risk of communication errors, interference, and diagnostic issues.

Construction and compatibility with Audi installation

As an Audi brand component, the harness has been designed for the specific electrical architecture of the A4 B9 and A5 F5 models. Properly selected connectors, wire lengths, and the arrangement of mounting points allow for installation in the original door and pillar routings without the need for any modifications to the installation.

This solution allows for maintaining:

• consistency with the vehicle's factory electrical diagram,
• proper wire routing in door grommets,
• correct positioning of connectors relative to modules and actuators.

Thanks to this, the risk of mechanical damage to the wires during door operation is minimized, and the possibility of chafing or circuit breaks is reduced.

Service application and installation benefits

This type of door wiring harness is particularly useful for post-collision repairs, complete door replacements, damaged grommets, or electrical communication issues in the rear part of the body. Using an original Audi component allows for:

• restoring the proper operation of the rear door electrics,
• maintaining compatibility with factory control modules,
• facilitating computer diagnostics due to compliance with service documentation.

Proper fitment for the specific model reduces installation time and eliminates the need to adapt universal wires, which is important both in professional workshops and for DIY repairs.

Condition characteristics and practical aspect

The item comes from dismantling, which in practice means a beneficial combination of original Audi quality and an attractive price compared to new components. For an electrical installation, it is particularly important that the harness maintains wire continuity and the correct condition of the connectors – using an original component from the same vehicle generation helps maintain these parameters.

By choosing this harness, you can in many cases avoid time-consuming repairs of individual wires or soldering by replacing the damaged section with a complete, factory wire assembly. This is a practical solution both in terms of durability and subsequent service maintenance.

Installation expansion and additional resources

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

Work involving electrical installations often also interferes with comfort systems, including heating and air conditioning control. When planning such activities, a service guide may be helpful – you can find more information in the article Air conditioning and heating – part selection and maintenance for year-round comfort, which discusses the selection of used OEM components and practical service procedures.