Ford C-Max Mk2 Radio Aerial Antenna Wiring Cable Harness AM5T-18K891-AC

Ford C-Max Mk2 Radio Aerial Antenna Wiring Cable Harness is a specialized electrical installation component responsible for a stable connection between the antenna and the radio module. A properly selected harness in this Ford model ensures predictable audio system performance and reduces interference. By maintaining the factory cable routing geometry, this solution is service-friendly and technically consistent with the original installation.

Specifications and technical data

• SKU: AM5T-18K891-AC
• Mark: Ford
• Condition: Used
• OEM Part Number: AM5T-18K891-AC
• Substitutable numbers: AM5T-18K891-AC, AM5T18K891AC, 1700273
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented radio antenna wiring harness has been designed for the Ford C-Max Mk2 model, where it is responsible for transmitting the radio signal from the roof or body-mounted antenna to the audio control unit. A correctly selected component from the Wires, harnesses and connectors group minimizes signal reception quality drops and reduces the risk of signal interruptions while driving. The harness is configured to work with the vehicle's factory electrical architecture, which facilitates installation in the original mounting and routing points. As a result, servicing does not require interference with the body structure or modifications to the installation.

Construction and mounting fitment

The element belongs to a group of installation components where proper shielding and appropriate connector terminations are of key importance. The applied design solutions allow for:

• a stable connection between the antenna and the radio without the need for adapters,
• maintaining the correct cable routing path inside the body,
• reducing susceptibility to electromagnetic interference from other vehicle systems. Thanks to maintaining the original harness geometry, the installation process is orderly, and the risk of mechanical stress on the cables is reduced. This translates into longer, predictable operation of the entire antenna path.

Benefits of using an original Ford harness

Using a harness dedicated to a specific Ford model allows for maintaining the consistency of the electrical installation with the manufacturer's specifications. The most important advantages include:

• compatibility with the factory audio system without the need for installation modifications,
• easier diagnostics of potential future faults thanks to maintaining the original wiring layout,
• aesthetic routing of the harness inside the body, consistent with factory mounting points,
• reduction of the risk of slack, chafing, and unwanted cable vibrations. Choosing a component from the Wires, harnesses and connectors group prepared specifically for the Ford C-Max Mk2 is a particularly beneficial solution for post-collision repairs, bodywork interventions, or replacing a damaged antenna.

Performance characteristics and condition

The offered harness is an aftermarket component, which makes it a cost-effective alternative to new parts while maintaining the original design. This type of component is particularly useful when the existing antenna installation has been mechanically damaged, cut, or modified in a way that hinders the proper operation of the radio. In practice, the installation comes down to removing the old harness, routing the new element through the factory mounting points, and connecting the appropriate connectors. By maintaining the original installation concept, the correct operation of the radio system can be restored without additional adaptations.

Expanding the installation in a Ford – related elements

If you are planning a comprehensive repair or upgrade of the audio system's electrical installation zone in your Ford and need other elements from the same group, such as additional harnesses, signal cables, or installation connectors, check the available parts in the Ford wires, harnesses and connectors category. If you are considering a wider use of dismantled parts in your car and want to better assess their potential in terms of quality and cost-effectiveness, it is worth reading the guide: Replacing body parts with used ones – can dismantled bodywork parts look like new?.