Audi A4 B7 Rear Taillight Tail Light Lamp Wiring Cable Right O/S 8E9945096E

Audi A4 B7 Rear Right Tail Light Wiring Harness is a factory electrical system component designed to service the right rear lamp in the Audi A4 B7 generation. It ensures a stable connection of the lamp to the vehicle's wiring, providing proper power supply and control signals. By maintaining the original connector geometry and wire routing, the harness allows for precise, repeatable installation in the factory location.

Specifications and technical data

• SKU: 8E9945096E-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E9945096E
• Substitutable numbers: 8E9945096E, 8E9 945 096 E
• Location on the vehicle: Rear, Right
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the Vehicle

The presented harness is a component from the Wires, Harnesses, and Connectors group, specifically designed for the right rear lamp in the Audi A4 B7. It is responsible for transmitting power and control signals to all lighting circuits in this lamp, which directly impacts the vehicle's safety and visibility on the road.

Its placement on the rear right side of the vehicle allows for direct fitting to the factory mounting points and wire routing within the body. Using an original harness minimizes the risk of connector compatibility issues, poor contact, or installation errors.

Construction and Fit for Audi

The wiring harness has been developed for the specific electrical architecture of the Audi A4 B7, meaning it is compatible with the factory pin layout and connector types used in the right rear lamp. The wire arrangement, segment lengths, and connector outlets are adapted to the standard wiring routes in the vehicle body, facilitating installation and reducing the need for modifications.

By preserving the original connector design, the harness works seamlessly with the factory lamp and vehicle wiring sockets, eliminating the need for soldering, custom adapters, or interference with the original wiring. This solution is particularly beneficial for post-accident repairs or replacing a damaged harness after an electrical failure.

Benefits of Using an Original Harness

Using a dedicated right rear tail light harness for the Audi A4 B7 offers several practical advantages:

• maintaining factory compatibility with the vehicle's electrical system,
• reducing the risk of installation errors and connection problems,
• stable operation of the right rear lighting circuits,
• easier diagnosis of potential future faults due to the standard wiring layout.

This solution is particularly recommended for professional body and electrical repairs where assembly repeatability and compliance with the manufacturer's service documentation are crucial.

Condition and Service Application

The offered harness is a used part and an original Audi component, which helps maintain the integrity of the vehicle's entire electrical system. This type of component is often used in collision repairs, replacement of damaged lamps, and troubleshooting intermittent lighting issues caused by previous non-factory modifications to the wiring.

Selecting the correct harness for a specific Audi A4 B7 version helps avoid lamp configuration mismatches, lighting malfunctions, and dashboard warning messages related to lighting failures.

If you are planning a comprehensive repair or upgrade of the rear electrical system in your Audi and need other parts from the same group, such as additional harnesses, power wires, or lamp connectors, check the available parts in the Audi Wires, Harnesses, and Connectors category.

If you want to better understand the relationships between drivetrain components and vehicle performance characteristics, and are looking for practical tips on selecting used components, check out the article Used Drive Axles and Differentials – How to Choose Ratios for Your Driving Style, which explains key technical issues in an accessible way.