Vehicle & Technical > Defender

Horn Wiring

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3laner:
Just bought an air horn from halfords and have been looking at the wiring diagram, it says include a relay. Do i need a relay or can I plug it straight into where the existing horn connects?

Cassillis:
Rightly or wrongly i just connected mine up to the existing wiring, works fine and has done for 18 months :)

Evilgoat:
Use the relay :)

Theres a lot of reasons but you should use the relay if only because it means you get a sperate correctly rated fuse for the compressor.

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