Audi A3 8P Rear Tail Light Lamp Wiring Harness Cable Right O/S 8P3945096C

Audi A3 8P Rear Tail Light Lamp Wiring Harness Cable Right O/S is an original electrical installation component designed for the rear right side of the vehicle body. It ensures a stable connection between the tail light and the vehicle's electrical system, which translates into reliable lighting performance and compliance with Audi's factory standards. This is the ideal solution for users who want to maintain the original electrical architecture of their car without compromise.

Specifications and technical data

• SKU: 8P3945096C-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P3945096C
• Substitutable numbers: 8P3945096C, 8P3 945 096 C
• Location on the vehicle: Rear, Right
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The wiring harness is designed for installation in the rear right section of the vehicle, where it is responsible for transmitting signals and power to the tail light assembly. A properly selected harness eliminates issues with flickering turn signals, non-functioning position lights, or dashboard computer errors related to the lighting system.

Thanks to the factory fitment for the specific Audi A3 8P model, the connectors and cable lengths are perfectly matched to the original mounting points, which facilitates installation and reduces the risk of wire tension during operation.

Construction and technical advantages

The component belongs to the Cables, harnesses, and connectors group, meaning it has been developed for stable power transmission and resistance to the conditions prevailing in the rear of the vehicle body. The construction includes appropriately selected wire cross-sections, insulation adapted for operation in the trunk area, and factory connectors compatible with the lamp and the vehicle's electrical system.

• factory connector terminations matched to the Audi installation,
• cables routed in a logical, organized manner,
• mounting point placement consistent with the original harness routing.

This configuration facilitates trouble-free diagnostics and, if necessary, quick replacement without interfering with the main electrical installation.

Benefits of using an original wiring harness

Using an original wiring harness in the Audi A3 8P allows you to maintain the vehicle's electrical consistency and avoid modifications that often lead to unstable lighting operation. This is particularly important in cars equipped with advanced bulb monitoring systems, where improper resistance or incorrect connections can generate errors.

• preservation of factory compatibility with control modules,
• reduced risk of short circuits and wire abrasion,
• easier circuit identification during service.

As a used component, the harness represents a reasonable compromise between cost and functionality, allowing you to restore the efficiency of the rear lighting without the need to invest in expensive new parts.

Professional installation and service application

Replacing the tail light wiring harness is particularly recommended after mechanical damage to the rear of the vehicle, bodywork repairs, or long-term operation in high-humidity conditions. For workshops specializing in the Audi brand, this is a practical service solution that allows for the quick restoration of full lighting functionality without the need to reconstruct the installation from scratch.

Combined with a properly functioning tail light, a correctly selected harness helps maintain the required level of road safety and compliance with regulations regarding the efficiency of external lights.

Related Audi installation components

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 additional harnesses, cable sections, or lamp connectors, check the available parts in the Audi cables, harnesses, and connectors category.

If you are interested in a broader context regarding the use of second-hand components in vehicle service and want to better understand how to optimize repair costs while maintaining OEM quality, it is worth reading our guide: Smart Skoda servicing – why second-hand parts are the best choice for your wallet.