Land Rover Discovery 3 L319 Brake Pedal Light Switch 91AB-13480-AD

Land Rover Discovery 3 L319 Brake Pedal Light Switch is a component from the Switches, control elements and ignition locks group, responsible for the precise activation of brake lights in your vehicle. Maintaining a functional brake light switch is crucial for safety, proper electronic operation, and compliance with road traffic regulations. This component allows you to restore the correct operation of the brake signaling system in your Land Rover Discovery 3 L319.

Specifications and technical data

• SKU: 91AB-13480-AD
• Mark: Land Rover
• Condition: Used
• OEM Part Number: 91AB-13480-AD
• Substitutable numbers: 91AB-13480-AD, 91AB13480AD
• Category: Switches & Controls

Function and role of the brake light switch

The brake light switch in the Land Rover Discovery 3 L319 is responsible for generating an electrical signal when the brake pedal is pressed. This signal is sent to the lighting system and driver assistance systems, which enables:

• immediate activation of brake lights for vehicles behind you,
• proper cooperation with safety systems and body control modules,
• compliance with diagnostic requirements and periodic inspections.

Thanks to a properly functioning switch, the braking system is correctly signaled externally, and the vehicle's electronics receive consistent information about the brake pedal being pressed.

Control group component – fitment for Land Rover

The presented switch belongs to the Switches, control elements and ignition locks group, which means it is designed to operate within the vehicle's electrical and control system environment. In the Land Rover Discovery 3 L319, it acts as a brake pedal position sensor, working with the factory wiring harness and control modules.

Using a dedicated component from this group allows for maintaining consistent electrical parameters, appropriate switching characteristics, and long-term operational stability.

Benefits of using an original pre-owned component

Choosing a pre-owned component from the Land Rover brand is a reasonable compromise between cost and maintaining factory performance parameters. This type of element:

• maintains the original switching characteristics,
• is structurally matched to the mounting points and connectors in the Discovery 3 L319,
• allows for cost savings compared to a new part, while maintaining full functionality.

Thanks to this, you can restore the correct operation of the brake lights without interfering with the installation, and without the need for modifications or adapting universal replacements.

Application in service practice

Replacing the brake light switch is a typical service operation performed when symptoms such as lack of brake lights, intermittent activation, or error messages related to the brake pedal occur. Using the correct component from the same control group:

• facilitates diagnostics – eliminating one of the key sensors in the circuit,
• restores proper cooperation with control modules,
• ensures stable operation of the brake lighting system in daily use.

This is particularly important in vehicles equipped with advanced electronics, where the signal from the brake light switch is used not only to illuminate the lamps but also for the operation of other systems.

Expanding your Land Rover control system upgrade

If you are planning a comprehensive repair or upgrade of the control and signaling zone in your Land Rover and need other elements from the same group, such as combination switches, steering column control elements, or ignition lock components, check out the available parts in the Land Rover Switches, control elements and ignition locks category.

Knowledge about used parts – when it is worth choosing them

When selecting used control elements, it is worth knowing the specifics of original components and their behavior during long-term use. A broader discussion on the advantages of using original dismantled parts, how to select them, and the cost-effectiveness of such a solution can be found in the article: Used parts for Mercedes – original parts from dismantling. Although it concerns a different brand, the issues discussed there also apply to service practices for vehicles such as the Land Rover Discovery 3 L319.