What to do if the siren sound is distorted on my Galls Amplifier?
If the siren sound from your Galls Amplifier is distorted, check the following: ensure the speaker bell or tip isn't loose, verify that the Aux input is correctly wired if in use, and confirm the input voltage remains between 10-16 volts while the siren is active.
Why is the siren tone intermittent on my Galls Amplifier?
If you are experiencing an intermittent siren tone with your Galls Amplifier, verify the vehicle's voltage regulator is functioning correctly. Ensure the connector on the back of the unit is secure, and check for any loose connections on the power leads. Confirm the input voltage exceeds 10V when the siren is on. Also, check for obstructions on the microphone, ensure any circuit breaker used has at least a 50A rating, and inspect the speaker for water damage or pinched wires.
What to do if the horn function or Manual or Thunder is stuck on Galls Amplifier?
If the horn, manual, or thunder function is stuck on your Galls Amplifier, verify that the switch returns fully when released. Also, check if the Aux Input is used and wired properly, and ensure the AUX jumper option is configured correctly.
Why is there no radio or low radio from my Galls Amplifier?
If you experience no or low radio output from your Galls Amplifier, check that the radio is properly connected to the unit and that you can hear the radio in the vehicle. Verify the radio volume control and confirm that the radio wires are connected with the correct polarity from the radio output.
Why is the siren tone wrong on my Galls Amplifier?
If the siren tone is incorrect on your Galls Amplifier, check if the TT jumper option and the AUX jumper option are configured properly.
How to troubleshoot no power on Galls Amplifier?
If your Galls Amplifier is not powering on, check the following: Is the yellow wire connected to switched +12VDC? Check the connector. Is the power hooked up backwards or is it a positive ground vehicle? Is an external fuse or circuit breaker used? Are the negative leads connected to a good ground?
What to do if there is no siren tone but PA works on my Galls Amplifier?
If the siren tone is not working on your Galls Amplifier but the PA system is, ensure the input voltage is less than 16 volts and greater than 10V when the siren is on. Check if the microphone button releases properly, verify the PK jumper option is configured correctly, and test if the siren works when the Park Kill input is disconnected. Also, check for shorts and opens.
What to do if there is no PA on Galls Amplifier?
If there is no PA output on your Galls Amplifier, check if you have tried turning the PA volume control.
Why is Thunder not working on my Galls Amplifier?
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