Volkswagen Golf Mk4 Rear Tail Light Wiring Harness Cable Right O/S 1J6945112T

Volkswagen Golf Mk4 Rear Tail Light Wiring Harness Cable Right O/S is an original electrical system component designed for the right rear tail light in the popular fourth-generation Golf model. Thanks to the factory connector geometry and precise fitment for the specific vehicle location, the harness allows for a secure connection between the light and the body wiring, ensuring stable lighting operation. It is a practical solution for users looking to restore proper light functionality after damage to the wires or connector.

Specifications and technical data

• SKU: 1J6945112T-2
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 1J6945112T
• Substitutable numbers: 1J6945112T, 1J6 945 112 T
• Location on the vehicle: Rear, Right
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the electrical system

The presented harness belongs to the Wires, harnesses, and connectors group and is dedicated to the rear right side of the vehicle. It is responsible for transmitting electrical signals to the light, providing power to individual lighting functions such as the position light, brake light, or turn signal, in accordance with the configuration used in the specific car model.

Thanks to the factory-type connector, the component allows for installation without the need to modify the wiring, which reduces the risk of errors, contact overheating, or warning messages about faulty lighting. This is particularly important in vehicles where previous repairs were performed using soldering or universal connectors.

Construction and functional advantages

The wiring harness with a connector for the right rear tail light was designed by Volkswagen to ensure a stable electrical connection in the demanding operating conditions of the rear body section. Properly selected wire gauges and the pin layout in the connector promote reliability and reduce voltage drops at the contact point.

Key advantages of this solution include:

• factory fitment for the specific right-side tail light,
• preservation of the original wire routing in the vehicle,
• reduced risk of ground issues and light flickering,
• easier diagnostics of potential future faults.

For the user, this means more predictable lighting performance and the ability to restore a factory-like state without resorting to compromise solutions.

Component condition and service application

The offered harness is a used component, which in practice allows for an economical repair of the lighting system while maintaining original manufacturing quality. It is a good solution in situations where the factory connector has been damaged, the insulation has melted, or wires have been broken near the tail light.

Replacing the harness is particularly recommended when:

• the rear lights on the right side operate unstably or intermittently,
• there are signs of corrosion on the connector pins,
• previous repairs were performed using non-original connectors or twisted wires.

With proper installation, you can restore correct lighting operation without interfering with the vehicle's main wiring harness.

Compatibility and part selection

To correctly select the harness for a specific fourth-generation Golf, it is worth paying attention to compatibility with the original manufacturer's part number and the location on the vehicle. The product is intended for installation in the rear right part of the body, in place of the factory harness serving the light.

In practice, this means that:

• there is no need to modify wire lengths,
• the connector fits the original right rear tail light,
• installation can be carried out in a manner similar to factory assembly.

Thanks to this service solution, you can reduce repair time and minimize the risk of recurring lighting problems in the future.

Expanding repairs in the rear electrical system

If you are planning a comprehensive repair or upgrade of the rear electrical system in your Volkswagen and need other components from the same group, such as additional harnesses, connectors, or wire sections, check the available parts in the Volkswagen wires, harnesses, and connectors category.

When planning broader service work, it is also worth considering the environmental and economic aspects. You can find more about the conscious choice of used components and their impact on the circular economy in the article Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?.