Description
VW Passat B6 Door Wire Harness Cable Loom Front Rear Driver’s Side is an original electrical installation component designed for the front and rear driver’s side door. It enables the correct connection of factory modules, switches, and receivers, ensuring stable operation of the door electronics. By maintaining the factory design, the harness allows for precise fitting to the body and connectors in the Passat B6.
Specifications and technical data
- SKU: RHD-3C2971557AL
- Mark: Volkswagen
- Condition: Used
- OEM Part Number: 3C2971557AL
- Substitutable numbers: 3C2971557AL, 3C2 971 557 AL, 3C2 971 557 AJ, 3C2971557AJ
- Location on the vehicle: Front, Rear
- Color: California Salsa Red – A3H
- Category: Other Starters, Alternators, ECUs & Wiring
Purpose and function of the door harness
The presented harness is dedicated to the driver’s side door area in the VW Passat B6 Door Wire Harness Cable Loom Front Rear Driver’s Side model, covering both the front and rear sections. It is responsible for routing signals and power between the body installation and components located in the door, such as window controls, mirrors, or central locking, in accordance with the manufacturer’s original design.
The layout of wires and connectors has been designed to facilitate installation in the original mounting points, which helps maintain order in the installation and reduces the risk of chafing and damage during vehicle operation.
Color scheme and body matching
The harness is associated with the body paint in the California Salsa Red – A3H shade, which is important when matching it to a specific car configuration. This makes it easier to verify the compatibility of the component with the vehicle in which it is to be used, especially during post-collision repairs or when replacing complete doors.
Selecting the correct color version also facilitates the work of body shops and service centers specializing in accident repairs, where maintaining the consistency of the factory configuration is essential.
Installation characteristics and condition
The component comes from disassembly, which means it is a used door harness with preserved functionality, intended for reinstallation in a vehicle. This type of solution is often chosen for economical repairs when original construction and compatibility with the factory installation are desired, while simultaneously reducing costs.
The harness is prepared for installation in the factory wire routing points in the doors and pillars, which allows for the restoration of the original installation path. The use of original connectors enables connection without the need for modifications, soldering, or adaptations, which reduces the risk of subsequent electrical problems.
Benefits of using an original harness
Using a factory harness in the Passat B6 allows for compliance with service documentation and the manufacturer’s electrical diagrams. This facilitates the diagnosis of potential faults in the future and enables the use of service procedures provided for this model.
For workshops and users, this means:
- a secure fit to the driver’s side door structure,
- preservation of the original wire routing and mounting points,
- reduction of the risk of installation errors resulting from system modifications.
Related components and technical knowledge
If you are planning a comprehensive repair or upgrade of the door area in your Volkswagen and need other components from the same group, such as additional harnesses, connectors, or control modules, check the available parts in the Other Volkswagen category.
For those interested in comparing technical solutions used in different model lines, including sports versions, an article discussing the differences in engine, brake, and chassis construction may be useful – details can be found in the entry Audi RS vs other models – what is hidden under the hood and chassis?.
If you are considering wider use of disassembled components in your car and want to better understand the specifics of original used components for popular brands, the guide available in the article The best used car parts – a guide to the most frequently chosen original parts will be helpful.
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