Horn Current Adjustment
Adjust the horn current until the horn current is between 4.5 amps and 5.5 amps (12 volts).
^ Perform the adjustments in 1/4 turn (90 degree) increments.
^ Loosen the adjustment screw locknut.
^ Turn the adjusting screw (2) counterclockwise in order to increase the current.
^ Turn the adjusting screw (2) clockwise in order to decrease the current.