The signal is located between the radiator grille and the cooling system radiator and is attached to the body via a bracket.
Disconnect the wire terminal from the negative terminal of the battery.
Open the hood..
…using a 12 mm socket, unscrew the horn mounting bolt.
By pressing the connector lock, we disconnect the connector from the horn.
Using a 13 mm wrench or head, unscrew the bracket mounting nut.
Remove the horn bracket.
The horn is adjusted at the factory and the horn adjustment screw is sealed.
To adjust the sound of the signal, use a thin screwdriver to pry off the seal from the adjustment screw.
Having clamped the signal bracket in a vice, we supply power from the battery to the signal terminals using wires and, by turning the adjusting screw with a Phillips screwdriver, we achieve a loud and clear signal sound.
The sound signal is non-detachable and cannot be repaired, so if you cannot adjust the sound of the signal by turning the adjusting screw, you must replace the sound signal.
We install the sound signal in the reverse order.
(The article is reprinted from the website «ChevyMan»)