Audi A4 B9 Q7 4M Rear Brake Light Third Stoplamp Light Red Wiring 4M0945097

Audi A4 B9 Q7 4M Rear Brake Light Third Stoplamp Light Red Wiring is an original lighting installation component designed for the rear of the vehicle. It ensures a stable power supply to the third brake light, which translates into clear braking signaling and improved road safety. This used OEM component is a sensible choice for drivers looking for a proven solution at an attractive price.

Specifications and technical data

• SKU: 4M0945097-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0945097
• Substitutable numbers: 4M0945097, 4M0 945 097
• Location on the vehicle: Rear
• Part type: Third Brake Light Assembly
• Color: Red
• Category: Centre & Third Brake Light Assemblies

Purpose and function of the third brake light wiring

The third brake light wiring is responsible for a reliable electrical connection between the vehicle's electrical system and the rear central brake light. In Audi A4 B9 and Audi Q7 4M models, this component operates in demanding conditions – in the rear part of the body, exposed to vibrations, temperature changes, and moisture. A functional wire allows for maintaining proper light intensity and quick activation of the brake light every time the brake pedal is pressed.

Construction, color, and body fitment

The component has been designed specifically for installation in the rear zone of the vehicle, taking into account the geometry of the Audi body. Its placement at the rear of the car facilitates routing the harness through factory mounting points, which reduces the risk of chafing and damage. The used red color is consistent with the color of the third brake light, ensuring that the entire installation maintains an aesthetic, organized appearance during any potential service work.

Benefits of using an original Audi component

Choosing an original third brake light wire for the Audi A4 B9 and Q7 4M primarily offers:

• a secure fit to the factory electrical system,
• compliance with the operating parameters of the brake lighting system,
• reduced risk of errors in the light control system,
• easier installation thanks to factory-specified lengths and connectors.

The used OEM element allows you to maintain the functionality of the lighting system without the need to invest in more expensive new components, which is particularly beneficial for post-accident repairs or replacing a damaged harness.

Application in service practice

The third brake light wire is suitable both for replacing a damaged section of the installation and for completing the rear lighting module after bodywork and paint repairs. Thanks to its factory design for the rear of the vehicle, it can be integrated into the existing harness without the need for modifications, which shortens work time and reduces the risk of installation errors. This solution is particularly valued in professional workshops, where repeatability and stable repair quality are essential.

Expanding the Audi brake light system

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Audi and need other elements from the same group, such as center lamps, main lamps, or additional power cables, check out the available parts in the Audi main and center brake lights category.

For drivers interested in a broader perspective on the cost-effectiveness of purchasing used components and practical tips regarding vehicle maintenance, the article on combining savings with care for the car's appearance and performance may be helpful – you can find it here: Used car parts for Mini Cooper – a way to style and savings.