Volkswagen Passat B6 Door Wiring Loom Harness Rear Left N/S 1.6 TDI 3C4971693QB

Volkswagen Passat B6 Door Wiring Loom Harness Rear Left N/S is an original electrical installation component designed for the rear left door of this model. Thanks to its factory fitment for the specific body and engine version, it ensures a stable electrical connection between the door and the vehicle body, which translates into the proper operation of all supported electrical components. This is a practical solution for users who want to restore full door functionality after damage or interference with the wiring.

Specifications and technical data

• SKU: 3C4971693QB
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C4971693QB
• Substitutable numbers: 3C4971693QB, 3C4 971 693 QB, 3C4 971 693 QE, 3C4971693QE
• Location on the vehicle: Rear, Left
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the wiring harness

The presented wiring harness belongs to the Wires, harnesses and connectors group and is designed specifically for the rear left side of the vehicle body. It is responsible for transmitting signals and power between the body control modules and components located in the door, such as window controls, central locking, or lighting. The vehicle placement specified as rear – left side allows for unambiguous identification of the installation and reduces the risk of errors when selecting parts.

Construction and installation fitment

The harness is constructed as a complete connection of wires with factory connectors, which facilitates installation in the original mounting points. The connectors used are prepared to work with factory sockets in the door and the body pillar, ensuring that the installation is carried out in an orderly manner consistent with the factory wire routing. Such a solution reduces the risk of looseness, chafing, and poor contact, which could cause interference in the operation of electrical systems.

Benefits of using an original wiring harness

Using a dedicated wiring harness in the rear left door of the Passat B6 allows for maintaining the consistency of the electrical installation with the rest of the vehicle. Key advantages include:

• factory fitment for the specific model and side of the vehicle,
• preservation of the original wire routing path in the door and body,
• reduced risk of malfunctions resulting from unprofessional installation modifications,
• easier diagnostics of potential electrical problems in the future. Thanks to this solution, it is possible to restore the efficiency of circuits responsible for the comfort and safety of door usage in an orderly manner.

Condition of the item and service application

The offered wiring harness is a used item, which in practice means it comes from disassembly and was previously operated in a vehicle. This type of part is particularly useful for post-accident repairs, mechanical damage to wires in the door grommet, or after improper installation modifications. Choosing an original wiring harness from disassembly allows for maintaining compliance with the factory electrical configuration without the need to build the installation from scratch.

Expansion of electrical installation modernization

If you are planning a comprehensive repair or modernization of the door electrical installation area in your Volkswagen and need other elements from the same group, such as additional wire sections, connectors, or complete door harnesses, check the available parts in the Volkswagen wires, harnesses and connectors category. If you are also interested in improving the vehicle's aesthetics by replacing worn exterior elements, and at the same time want to better understand the selection of original used components, it is worth reading the guide on rims and their parameters, available in the article Do scratched rims ruin the look of your car? Used original alloy wheels for Audi and BMW as a quick way to a metamorphosis.