Horn Does Not Sound When Alarm Is Triggered

1. Does the horn sound when the horn button is pressed?

Yes - Go to the next step.
No - Repair the horn circuit.




2. With the security control connector disconnected, run a jumper wire from terminal 18 to ground.
Does the horn sound?

Yes - Replace the security control unit.
No - Repair the open in the terminal 18 (CRY) wire.