Audi R8 42 Rear Tail Light Lamp Right O/S Cable Harness Wiring 420945096F

Audi R8 42 Cable Plug Light Rear Lamp Right is an original electrical installation component designed to service the right rear lighting in the Audi R8 series 42 model. It enables a secure, stable connection of the lamp to the vehicle's electrical harness, ensuring the correct operation of the rear light and brake light. This is a practical solution for users who want to restore full lighting functionality while maintaining the factory connection standard.

Specifications and technical data

• SKU: 420945096F-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 420945096F
• Substitutable numbers: 420945096F, 420 945 096 F
• Location on the vehicle: Rear, Right
• Part type: Rear Light Assembly
• Category: Rear Light Assemblies

Purpose and Function of the Component

The presented cable with a plug is part of the Rear Lights and Brake Lights system, responsible for supplying power and control signals to the right rear lamp. Its placement on the vehicle, specified as the rear – right side, means the component works with the lamp located on the passenger side, integrating the circuits for position lights, brake lights, and other functions provided in the specific vehicle configuration.

Thanks to its precisely fitted connector design, the cable allows for secure seating of the plug in the lamp socket, minimizing the risk of contact looseness, overheating of contacts, or circuit interruption during driving. This is particularly important in sports cars like the Audi R8, where the electrical system operates under variable load and vibration conditions.

Application in Audi Lighting System

In Audi vehicles, including the R8 42 series, the rear lighting system is designed with an emphasis on precise wire routing and proper connector protection. Using a dedicated cable with a plug allows for:

• maintaining compliance with the factory electrical diagram,
• preserving the correct order and pin assignment in the lamp connector,
• reducing the risk of assembly errors during accident repairs or after installation modifications,
• facilitating diagnostics in case of problems with the operation of the right rear light or brake light.

The component is particularly useful when replacing a damaged lamp, repairing after a collision, or restoring the original installation after previous modifications.

Assembly and Operational Characteristics

The cable with a plug has been designed as part of an installation dedicated to a specific model, which translates to the correct cable length, appropriate connector type, and compatibility with the factory harness. This ensures a tidy installation process without the need for custom adapters or modifications to the original wires.

The used nature of the component means it comes from disassembly, which practically allows combining original Audi manufacturing quality with a more favorable purchase cost compared to a new part. For many users, this is a reasonable compromise between durability and the budget allocated for lighting system repairs.

Why Use an Original Cable with Plug

Using an original cable with a plug in the right rear lighting area helps avoid problems typical of aftermarket parts or self-made connections, such as unstable contacts, connector leaks, or pin mismatches. In the case of the Audi R8, where the electrical system is precisely tuned with the body electronics, the correct fit of installation components directly impacts the reliability of the lights and the absence of errors in the vehicle's diagnostic systems.

For workshops specializing in the Audi brand and for discerning users, choosing such a solution is a way to maintain installation consistency, aesthetic wire routing, and proper interaction with other lighting system components.

If you are planning a comprehensive repair or upgrade of the rear lighting in your Audi and need other elements from the same group, such as harnesses, plugs, or complete lamps, check the available parts in the Audi Rear Lights and Brake Lights category.

For drivers interested in a broader approach to vehicle operation and repair, including an analysis of the cost-effectiveness of purchasing used parts, the advisory article Used Gearbox – When is it Worth It and What You Need to Know, which discusses practical aspects of choosing components from the secondary market, may be helpful.