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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: May 2005 Posts: 1,624 Shop Shark | | Shop Shark Joined: May 2005 Posts: 1,624 | I don’t believe that is necessary or desired on horns. The horn frame completes the circuit to ground. The idea is, the horn button grounds one side of your horn relay. When horn button is pushed it activates the horn relay putting battery voltage onto the wire tab or wire connection on horn. Inside the horn itself is a set on contacts which open and close by way of mechanical interference of the
horn diaphragm. One side of the contact set is grounded to horn body. This is of course only true if the truck has a horn relay. The rubber bushings might be there for vibration.
Last edited by beltfed; 02/19/2019 2:48 PM.
Six volt guy living in a twelve volt world
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