Audi A8 D4 Rear Taillight Tail Light Lamp Wiring Inner Left N/S 4H0945093H

Audi A8 D4 Rear Taillight Tail Light Lamp Wiring Inner Left is an original electrical installation component designed for the rear left inner lamp in the Audi A8 D4 generation model. It enables a stable connection between the lamp and the vehicle's electrical system, ensuring proper power supply and communication with control units. This is a practical solution for users who want to restore full lighting functionality after a collision, bodywork repair, or lamp replacement.

Specifications and technical data

• SKU: 4H0945093H-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0945093H
• Substitutable numbers: 4H0945093H, 4H0 945 093 H
• Location on the vehicle: Rear, Left
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented wiring is a component dedicated to the rear left section of the vehicle, supporting the inner lamp in the trunk lid or the inner area of the lighting assembly. It is responsible for transmitting control signals and power to the relevant lighting circuits, such as position lights, brake lights, or turn signals – in accordance with the configuration of the specific lamp used in the Audi A8 D4.

Thanks to its precise fit to the body structure and electrical system, the wiring allows for correct cable routing, minimizing the risk of chafing, looseness, or improper connections. This is particularly important during repairs following mechanical damage or interventions in the rear part of the body.

Construction, fitment, and installation

As an element from the Cables, wiring, and connectors group, the product has been designed for a factory fit to the Audi installation. The connectors used are compatible with the original lamp sockets and the vehicle's installation, which facilitates assembly and reduces the need for modifications. The wiring routes signals in an organized manner, consistent with the factory cable layout.

In practice, the installation comes down to:

• disconnecting the old or damaged wiring from the lamp and the vehicle's installation,
• plugging the new component's connectors into the appropriate sockets,
• correctly routing the cables in the factory guides and holders.

Such a solution promotes the maintenance of tightness and safety in the rear part of the body, especially in the trunk lid area, where the wiring is subject to stress during frequent opening and closing.

Benefits of using original Audi wiring

Choosing original wiring designed for the Audi A8 D4 brings a number of practical advantages:

• Factory fit – compatibility with the electrical system and body structure, without the need for adaptation.
• Stable lighting operation – correct signal transmission to the lamp reduces the risk of errors in lighting control systems.
• Safe cable routing – the proper length and geometry of the wiring facilitate installation in the original mounting points.
• Consistency with other installation elements – maintaining a uniform standard of components throughout the vehicle.

This solution is particularly recommended for professional post-accident repairs, replacing a lamp with an OEM part, or restoring full lighting functionality after previous, unprofessional modifications to the installation.

Condition, origin, and service application

The offered wiring comes from the used parts group, which allows for economical repair while maintaining the original Audi technical specifications. This type of component is often chosen by workshops specializing in the brand and by users who want to avoid creating custom installations or using universal electrical solutions.

The wiring will work well both for a single replacement of a damaged section of the installation and for broader service work involving the rear part of the vehicle, e.g., after replacing the trunk lid, lamp, or after body and paint repairs.

Complementary elements and further system expansion

When planning repairs in the rear part of the body, it is also worth paying attention to other electrical installation elements, such as additional wiring, connectors, or control modules. To select matching components for your Audi model, you can use our category Cables, wiring, and connectors, where you will find a wide selection of electrical installation elements for various models.

If you are interested in a broader context of selecting used parts and want to better plan service work on your car, check out the guide on our blog: how to safely choose used car parts and what to pay attention to when buying. You will find practical tips on assessing the condition of components, verifying compatibility, and optimal repair planning.

For users who are simultaneously servicing other vehicle systems, the article how to safely select used brake system components in a store like Global Parts may also be helpful, describing step-by-step the process of verifying aftermarket parts. This will make it easier for you to plan comprehensive car maintenance, combining electrical installation repairs with other service work.