Volkswagen Passat B7 Rear Tail Light Left N/S Harness Loom Wire Cable 3AF945093K

Volkswagen Passat B7 Rear Tail Light Left N/S Harness Loom Wire Cable is an original electrical system component designed to support the rear left lighting assembly. This used, factory-spec harness ensures proper power supply and control signals for the parking light, brake light, turn signal, and reversing light functions. It is a practical solution for workshops and users looking to restore full lighting system functionality without interfering with the factory installation.

Specifications and technical data

• SKU: 3AF945093K-2
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3AF945093K
• Substitutable numbers: 3AF945093K, 3AF 945 093 K
• Location on the vehicle: Rear, Left
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and vehicle function

The presented harness is dedicated to the rear of the vehicle body on the driver's side, where it is responsible for connecting the lamp to the vehicle's main electrical system. Thanks to factory connectors and appropriately selected wire lengths, this component enables:

• a stable electrical connection between the tail light and the vehicle's system,
• transmission of control signals from body modules,
• maintenance of the correct wire sequence and polarity,
• reduction of the risk of installation errors following bodywork and paint repairs.

As a result, the lighting system operates in a way that is consistent with factory settings, without the need for modifications or soldering wires on the vehicle.

Advantages of using an original harness

The rear left tail light wiring harness has been designed specifically for the body geometry of the Passat B7, which translates into convenient installation and secure cable routing. Key benefits include:

• factory connectors matched to the lamp and vehicle system,
• appropriately selected wire cross-sections for lighting loads,
• preservation of the original cable routing path in the trunk and wheel arch,
• reduction of the risk of chafing and mechanical damage due to proper placement.

Choosing an original, used harness allows you to maintain the integrity of the electrical system according to the manufacturer's solutions, which is particularly important in vehicles equipped with advanced light control systems.

Professional service application

The component is suitable for both workshops specializing in the Volkswagen brand and independent service centers dealing with post-accident repairs. The harness is particularly useful in situations where:

• wires have been damaged as a result of a rear-end collision,
• the installation was previously repaired in a makeshift manner,
• there are intermittent lighting failures or control errors related to the tail light,
• it is necessary to replace the lamp along with a section of the wiring.

Such a solution allows for organizing the installation and restoring the factory connection standard, which facilitates subsequent diagnostics and service.

Integration with other components and technical knowledge

The tail light wiring harness works with body modules, the light control system, and vehicle safety systems. For more advanced repairs or lighting upgrades, it is worth expanding your knowledge about the structural differences between individual model lines. For a comparison of solutions used in sports versions versus standard variants, the following article may be helpful: Audi RS vs other models – what is hidden under the hood and chassis?.

If you are planning a comprehensive repair or upgrade of the rear zone in your Volkswagen and need other components from the same group, such as additional harnesses, connectors, or auxiliary modules, check out the available parts in the Other Volkswagen category.

Summary

Volkswagen Passat B7 Rear Tail Light Left N/S Harness Loom Wire Cable is a practical choice for those who want to restore the proper operation of the rear lighting on the driver's side while maintaining factory standards. The original design, fitment for the specific model, and the ability to install it in place of a damaged section of the wiring make it a convenient solution for both professional service centers and users who care about the technical correctness of their repairs.