VW Volkswagen Passat B7 Rear Door Wiring Loom Harness Left N/S 3AA971693CB

VW Volkswagen Passat B7 Rear Door Wiring Loom Harness Left N/S is an original electrical installation component designed for the rear left door of this model. It enables a stable connection between all door-mounted electrical components and the vehicle's main wiring harness, ensuring proper electrical operation. Thanks to its factory design, it fits original connectors and allows for an efficient, technically correct repair.

Specifications and technical data

• SKU: 3AA971693CB
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3AA971693CB
• Substitutable numbers: 3AA971693CB, 3AA 971 693 CB, 3AA971693CD, 3AA 971 693 CD
• Location on the vehicle: Rear, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the wiring harness

The presented wiring harness is dedicated to the rear left door area in the Volkswagen Passat B7. It is responsible for transmitting signals and power between the vehicle's electrical system and components located in the door, such as control modules, actuators, or other electrical receivers. Factory connectors and proper cable routing minimize the risk of interference and facilitate diagnostics in the event of potential faults.

Construction and body fitment

The wiring harness has been designed specifically for the Passat B7 body, taking into account the geometry of the rear left door. The appropriate cable length, connector placement, and mounting points allow the installation to be routed in the original locations without tension or unnatural bends. As a result, the correct operation of grommets and covers is maintained, and the wires are protected against mechanical damage during daily use.

Benefits of using an original wiring harness

Using a factory wiring harness in the rear left door of the Passat B7 primarily ensures:

• a secure fit to the door and body structure,
• compatibility with original electrical system connectors,
• organized cable routing in factory mounting points,
• easier diagnostics and future servicing.

This component from the Wires, harnesses, and connectors category allows for restoring the proper operation of door electronics without the need for modifications or creating custom connections, which is particularly important during repairs following collisions or mechanical damage.

Component condition and service application

The offered wiring harness is a used part, which in practice means an opportunity for an economical repair while maintaining the original installation design. This type of solution is especially effective in cases of localized wire damage, circuit breaks, or connector issues in the rear left door. Replacing the complete wiring harness is often faster and more predictable than spot soldering or repairing individual wires.

If you want to better understand the differences between new and used parts and consciously choose a solution for your car, it is worth checking out our guide: Car parts – new or used? Comparing costs, quality, and durability.

Expanding the electrical system within Volkswagen doors

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, adapter cables, or door connectors, check out the available parts in the Volkswagen wires, harnesses, and connectors category.