Why do truck drivers in movies honk their horns by pulling on a rope above their heads? Do trucks not have the button to activate the horn inside the steering wheel like normal cars?

Question

Why do truck drivers in movies honk their horns by pulling on a rope above their heads? Do trucks not have the button to activate the horn inside the steering wheel like normal cars?

In: 2818

Answer 1

Because it’s attached to the air horn which is located just above the cabin.

They still have a regular horn on the steering wheel, but it’s not as loud.

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