Ford Fiesta Mk7 Boot Lid Tailgate Keyless Entry Wiring Loom C1BT-14D559-AAC

Ford Fiesta Mk7 Boot Lid Tailgate Keyless Entry Wiring Loom is an original electrical installation component designed to support the convenience trunk opening and closing system. As part of the Wires, looms and connectors group, it ensures a consistent connection between the body modules and the tailgate equipment, supporting the proper operation of the keyless entry function. This is a practical solution for users who want to restore full functionality to the electrical system in the rear of the vehicle.

Specifications and technical data

• SKU: C1BT-14D559-AAC
• Mark: Ford
• Condition: Used
• OEM Part Number: C1BT-14D559-AAC
• Substitutable numbers: C1BT-14D559-AAC, C1BT14D559AAC, 1851171
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the boot lid wiring loom

The presented boot lid wiring loom has been designed specifically for the Ford Fiesta Mk7 model equipped with a keyless entry system. It is responsible for a stable electrical connection between the sensors, lock, lighting, and other components located in the tailgate and its surroundings. Thanks to this, the convenience opening system works smoothly, and communication with the body electronics remains consistent.

The loom belongs to the Wires, looms and connectors category, which means it is an integral part of the vehicle's electrical installation, prepared for operation in the demanding conditions typical for the rear part of the body.

Advantages of using an original Ford wiring loom

Using an original Ford solution in the trunk area allows for maintaining the factory wire routing logic and compatibility with existing connectors. This translates into:

• secure fitment to factory mounting points in the tailgate and body,
• proper cooperation with the keyless entry system,
• reduced risk of communication errors in the electrical installation,
• easier diagnostics in case of any future faults.

For the user, this means stable operation of the trunk opening system and maintaining the convenience of vehicle operation in accordance with the manufacturer's specifications.

Assembly and operational characteristics

The boot lid wiring loom is prepared for installation in the factory location, using original holders and grommets. The connectors used are matched to the Ford Fiesta Mk7 components, which facilitates installation without the need for interfering with the body structure or modifying the wires. This type of solution is particularly beneficial when replacing a damaged loom, e.g., after abrasions, wire breakage in the grommet, or problems with the lock and tailgate lighting operation.

The item comes from dismantling, which allows for an economical restoration of the electrical system's efficiency while maintaining the original manufacturer's specification. It is a reasonable choice for users looking for a technically matched component with a favorable price-to-functionality ratio.

Integration with the keyless entry system

The loom is adapted to work with the keyless entry system in the Ford Fiesta Mk7, responsible for transmitting signals between the control elements and the body modules. A properly selected and installed wire minimizes the risk of problems with key recognition in the trunk zone, incorrect operation of opening buttons, or interference in sensor operation.

By maintaining the factory architecture of the electrical installation, it is possible to maintain the consistency of the entire comfort system, which is important for both daily operation and subsequent service diagnostics.

If you are planning a comprehensive repair or upgrade of the rear electrical installation zone in your Ford and need other elements from the same group, such as additional looms, wires, or connectors, check the available parts in the Ford Wires, looms and connectors category.

For drivers interested in a broader perspective on the selection of drivetrain components and their impact on driving characteristics, the guide article Dismantled drive axles and differentials – how to choose gear ratios for your driving style may be useful, as it organizes key concepts and facilitates informed planning of modifications in the vehicle.