Land Rover Discovery 4 L319 Tail Light Wiring Cable Rear Right O/S AH22-13404-AC

Land Rover Discovery 4 L319 Right Rear Lamp Wiring Harness AH22-13404-AC is an original electrical installation component designed to service the right rear lighting in the Discovery 4 model. Thanks to its factory fit for the L319 body, the harness ensures a secure electrical connection, stable lamp operation, and maintains the safety parameters specified by the manufacturer. It is a practical solution for collision repairs, lamp replacements, or damage to the factory wiring.

Specifications and technical data

• SKU: LR014001-2
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR014001
• Substitutable numbers: AH2213404AC, AH22-13404-AC, LR014001
• Location on the vehicle: Rear, Right
• Category: Sockets, Connectors & Wiring

Vehicle Application and Function

The presented wiring harness belongs to the Wires, Plugs, and Connectors group and is designed for the rear right side of the body. It is responsible for supplying power and control signals to the right rear lamp, which is crucial for the proper functioning of position lights, brake lights, turn signals, or license plate illumination – depending on the specific configuration of the vehicle.

Its placement on the vehicle, specified as rear – right side, facilitates unambiguous identification of the component during diagnostics and installation. Using a dedicated harness helps avoid makeshift repairs to the electrical system, which could lead to reduced reliability or problems with diagnosing electrical systems.

Construction and Fit for Land Rover Discovery 4

The wiring harness has been developed specifically for the Land Rover brand, taking into account the body geometry of the Discovery 4 L319 and factory mounting points. The appropriately selected wire length, connector placement, and cable routing minimize the risk of chafing, mechanical stress, and improper positioning within the luggage compartment or behind the side trim.

The original connectors are designed to work with the rear lamp and the vehicle's electrical system without the need for modifications, soldering, or additional adapters. This solution helps maintain connection integrity, moisture resistance, and proper communication with the control modules responsible for lighting.

Condition, Service Application, and Benefits of Installation

The item is offered as a used part, providing a cost-effective solution while maintaining the original manufacturer's specifications. In practice, this means the ability to restore the functionality of the rear lighting system after mechanical damage, contact corrosion, or tampering with the factory installation.

Replacing the wiring harness is particularly recommended when:

• the right rear lamp operates intermittently,
• there are signs of overheating or corrosion on the connectors,
• the wire insulation is damaged in the vicinity of the trunk or wheel arch,
• there are issues with diagnosing lighting errors in the vehicle's system.

Using an original wiring harness helps reduce repair time, facilitates servicing, and lowers the risk of recurring faults resulting from unprofessional installation modifications.

Integration with Electrical System and Safety

As a component of the factory electrical system, the wiring harness works with other lighting system components of the Discovery 4, maintaining the load and protection parameters specified by the manufacturer. A correctly installed harness supports the stable operation of light control systems, which is important for both driving safety and vehicle compliance with technical inspection requirements.

Proper wire routing and secure connector mounting minimize the risk of short circuits, voltage drops, and interference with other consumers in the rear of the vehicle. This is particularly important in vehicles equipped with advanced body electronics, typical for the Land Rover brand.

Related Land Rover Installation Components

If you are planning a comprehensive repair or upgrade of the rear lighting area in your Land Rover and need other components from the same group, such as additional wiring sections, lamp connectors, or module connections, check the available parts in the Land Rover Wires, Plugs, and Connectors category.

For users interested in a broader context of servicing modern powertrain and auxiliary systems, an article describing the impact of components like injectors and turbochargers on engine running smoothness may be valuable – more information can be found in the material Second Life for the Mercedes OM642 Engine – How Injectors and Turbocharger Restore Power to the 3.0 V6 CDI.