Ford Fiesta Mk7 Taillight Lamp Light Left N/S Harness Loom Wire 8A61-13405-A

Ford Fiesta Mk7 Taillight Lamp Light Left N/S Harness Loom Wire is an original electrical installation component designed to support the left taillight in the Ford Fiesta Mk7 model. The harness ensures a stable electrical connection between the lamp and the vehicle's wiring, which translates into safe operation of the rear lighting and correct communication with control systems. It is a practical solution for users who want to restore factory lighting efficiency after damage or lamp modification.

Specifications and technical data

• SKU: 8A61-13405-A-2
• Mark: Ford
• Condition: Used
• OEM Part Number: 8A61-13405-A
• Substitutable numbers: 8A61-13405-A, 8A6113405A, 8A61-13A603-AB, 8A6113A603AB, 1709553
• Location on the vehicle: Left
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function of the wiring harness

The presented wiring harness is dedicated to supporting the rear lamp on the left side of the Ford Fiesta Mk7. It is responsible for transmitting signals to all lighting functions, such as position lights, brake lights, turn signals, or reversing lights, in accordance with the configuration of the lamp used. Thanks to proper wire routing and matched connectors, this component allows for maintaining the factory electrical system without the need for installation modifications.

Construction and fitment for Ford Fiesta Mk7

The harness has been designed with a specific location on the vehicle in mind, which facilitates its installation in the trunk area and around the left taillight. The connectors used are prepared to work with the original lamp and Ford installation, which minimizes the risk of assembly errors and compatibility issues. The dedicated design for the Ford Fiesta Mk7 allows for maintaining proper wire routing, reducing the possibility of chafing or mechanical damage during operation.

Benefits of using an original harness

Using a factory wiring harness for the left taillight brings a number of practical benefits:

• reliable electrical connection with the vehicle's installation,
• maintaining the correct operation of all rear lighting functions,
• no need to modify the factory installation,
• easier diagnostics of potential faults in the future. For users who have replaced the taillight or are repairing collision damage, such a harness is a convenient way to restore electrical system integrity without using makeshift connections.

Installation and service application

The component is intended for installation in place of the factory harness supporting the left taillight. Thanks to the appropriate shaping of the wires and matched connectors, installation comes down to correctly routing the harness and plugging it into the existing sockets. This solution will work well both in professional service centers and in independent workshops, where reliable fitment for a specific Ford model and the ability to quickly replace a damaged section of the installation are important.

Expanding Ford Fiesta lighting upgrades

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Ford and need other elements from the same group, such as additional harnesses, connectors, or mounting accessories, check out the available parts in the Other Ford category.

Technical knowledge and vehicle project development

When planning broader modifications or repairs in the area of electrics and lighting, it is worth expanding your knowledge about the structural differences between individual model lines and equipment versions. A material comparing solutions used in cars with higher performance and more extensive systems may be helpful, available in the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers design powertrains, braking systems, and suspensions in different model variants.