The current draw for a horn while operating should be 4.5-5.5 amperes
at 11.5-12.5 volts. Review the following common conditions:
| • | A high current of more than 20 amperes indicates an overheated
winding or indicates a shorted horn. Replace the horn. |
| • | A current reading of about 18 amperes means the contact
points are not opening. Adjust the horn. |
| • | No current reading indicates one of the following: |
| • | An open circuit due to a broken lead. |
| • | An open circuit due to an overheated horn. |
| • | The contact points are open. Adjust the horn. |
Perform the necessary step to adjust the current:
| • | Turn the adjustment screw clockwise 1/4 turn (90°)
at a time to increase the current. |
| • | Turn the adjustment screw counterclockwise 1/4 turn (90°)
to decrease the current. |
