Audi A8 D4 Rear Tailgate Light Lamp Wiring Cable Right O/S 4H0945096K

Audi A8 D4 Rear Tailgate Light Lamp Wiring Cable Right O/S is an original electrical wiring component from the Wires, plugs and connectors group, designed for the right side of the vehicle's rear section. Engineered by the manufacturer for the specific Audi model, it ensures proper signal routing and stable power supply to the tailgate lamp, resulting in trouble-free lighting operation and full compatibility with the factory installation.

Specifications and technical data

• SKU: 4H0945096K-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0945096K
• Substitutable numbers: 4H0945096K, 4H0 945 096 K
• Location on the vehicle: Rear, Right
• Category: Sockets, Connectors & Wiring

Purpose and function in the vehicle

The tailgate lamp wiring in the Audi A8 D4 is responsible for a reliable electrical connection between the rear lamp and the vehicle's main wiring harness. This component is dedicated for installation in the rear right section of the bodywork, where it operates in the immediate vicinity of the tailgate and the side panel.

The wiring harness performs, among others:

• power transmission to the tailgate lamp,
• transmission of control signals from body modules,
• stable connection with factory Audi connectors.

Thanks to this, the rear lighting system maintains correct functionality, and the vehicle's electrical diagnostics remain consistent with the manufacturer's specifications.

Construction and fitment for Audi A8 D4

The wiring harness was developed as an OEM component for Audi, which means its geometry, wire length, and connector placement are adapted to the factory mounting points in the A8 D4 model. The wires, plugs and connectors used in this component are compatible with the original installation sockets, which facilitates installation and reduces the risk of connection errors.

Key design features:

• dedicated connectors matching the tailgate lamp and body installation,
• wire routing consistent with factory paths in the rear of the vehicle,
• maintaining appropriate wiring flexibility in the tailgate operating area.

Such fitment allows for installation without the need for modifying the wiring, soldering, or using additional adapters.

Benefits of using original wiring

Using the original tailgate lamp wiring in the Audi A8 D4 provides measurable operational benefits. Factory fitment minimizes the risk of loose connections, signal interference, or communication issues with control modules. This is particularly important in modern vehicles, where lighting systems are integrated with safety and diagnostic systems.

The main advantages include:

• consistency with the original Audi electrical architecture,
• reduced risk of errors in light control systems,
• easier service diagnostics thanks to maintaining the OEM installation structure.

The used component also allows for reduced repair costs while maintaining a design consistent with the manufacturer's project.

Installation and service application

The tailgate lamp wiring is primarily intended as a replacement part in the event of mechanical damage to wires, contact corrosion, or circuit continuity problems in the rear right part of the vehicle. Thanks to factory connectors, installation comes down to disconnecting the old harness and plugging the new one into the existing sockets.

In service practice, the harness will prove useful, among others, for:

• repairs after rear-end collisions,
• wire damage resulting from tailgate operation,
• problems with the operation of the right rear tailgate lamp when diagnostics point to the installation.

Such a solution allows for restoring full lighting functionality without interfering with other parts of the electrical installation.

Related products and technical knowledge

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

To better understand the importance of original components in vehicle electrical systems and the benefits of choosing used OEM elements, it is worth reading the article Quality assurance and OEM safety – why are used original car parts the best choice for your car?, which discusses the quality and economic aspects of such solutions in detail.