Ford S-Max Rear Tail Light Inner Wiring Harness Cable Left N/S AM21-13A603-AF

Ford S-Max Rear Tail Light Inner Wiring Harness Cable Left N/S is an original electrical system component designed to support the inner left tail light in the Ford S-Max model. Thanks to its factory design, the harness ensures proper electrical signal routing and a stable connection between the light and the vehicle's body wiring, resulting in trouble-free lighting operation. This is a practical solution for users looking to restore full functionality to their lighting system without the need for modifications to the installation.

Specifications and technical data

• SKU: AM21-13A603-AF-2
• Mark: Ford
• Condition: Used
• OEM Part Number: AM21-13A603-AF
• Substitutable numbers: AM21-13A603-AF, AM2113A603AF, 1747111
• Location on the vehicle: Rear, Left
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the harness

The presented harness belongs to the Wires, harnesses, and connectors category and has been designed specifically for the left, inner tail light of the Ford S-Max. It is responsible for supplying power and control signals to the individual light circuits, such as position lights, brake lights, or turn signals (depending on the specific light configuration of the vehicle). Its placement in the rear zone, on the left side of the body, allows for precise matching of wire length and harness shape to the factory mounting points.

Construction and fitment for Ford S-Max

The harness was developed by the Ford brand to maintain full compatibility with the original light connectors and the vehicle's installation. Properly selected wire gauges, factory connectors, and cable routing reduce the risk of voltage drops, overheating, or accidental circuit breaks. As a result, this component can be used as a direct replacement for a damaged harness without the need for soldering, creating adapters, or interfering with the factory installation.

Benefits of using an original harness

Using an original inner left tail light wiring harness offers a number of practical advantages:

• maintaining compliance with the vehicle's factory electrical schematic,
• secure connection with original light and body connectors,
• reducing the risk of installation errors and lighting failure messages,
• organized cable routing in the rear part of the vehicle.

This makes lighting system repairs more predictable, and the installation process is similar to the factory standard, which promotes stable operation of the tail light in daily use.

Vehicle placement and installation aspects

The component is intended for installation in the rear of the vehicle, on the left side, in the area of the inner tail light. Such precise determination of vehicle placement facilitates the selection of the correct part during repairs and minimizes the risk of errors when ordering. Installation involves routing the harness according to factory cable paths and plugging the connectors into the appropriate light sockets and body wiring, allowing for a quick restoration of lighting efficiency.

Condition and service application

The harness comes from disassembly and is offered as a used part, which provides a cost-effective solution while maintaining the manufacturer's original design. This type of part is suitable for both professional service centers and independent workshops where factory fitment and the ability to quickly replace a damaged section of the installation without interfering with the rest of the system are valued.

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, wire sections, or light connectors, check the available parts in the Ford Wires, harnesses, and connectors category.

For those interested in the broader context of car modernization and the impact of component replacement on vehicle operation, the article describing the development of sports compacts may be helpful – Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts, which discusses, among other things, the importance of properly selected components in long-term operation.