Ford Accessories: Electrical Connectors

What's the difference between 7 and 13 pin electrical connectors for tow bars?

The 7 pin solution contains all the necessary connectors to safely operate the obligatory trailer lighting system. The 13 pin harness provides additional connections for powering facilities and special equipment on your caravan such as a fridge, cabin lighting, leisure battery charging and reversing lamps. Ford electrical kits are built to the highest safety standards to prevent any failures to your vehicles electrical system and ensure the safe operation of any additional features.