Where is the horn relay on a frontera 2.8 td As my horn has stopped working and the fuse is ok Mat?

The horn relay on a Vauxhall Frontera 2.8 TD is typically located in the fuse box, which is usually found under the dashboard on the driver's side or in the engine compartment. You can identify the horn relay by checking the diagram on the fuse box cover. If the relay is functioning properly and the fuse is intact, you may want to check the horn itself and the wiring for any issues.