Clifford Matrix RS3 & horn honk problem

I installed a Clifford Matrix RS3 remote start, alarm, keyless. I wired up the horn to honk w/o chirp on arm and disarm as shown below.
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<img alt="image" src=" https://www.the12volt.com/installbay/uploads/jjjjjjjj.jpg">

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The horn honks perfectly when the alarm goes off and does not chirp on arm or disarm but, if the car is remote started and you disarm the horn blasts constantly. The only way to stop the horn is to either rearm or shut off the remote start. I understand that the ground when armed output stays on while the remote start is active for the anti-grind to work and the doemlight supervision triggers the horn to honk constantly. My question is does anyone know what else I can do for this to work or a better way to add the horn honk w/o chirp on arm and have the horn honk in pulses??

Thank you in advance for any replies!

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MECP Basic Installer

sorry first time posting pictures here.

Check out the Security forum at carsound.com. They're have a big horn-honk discussion there right now.

hey man, I used the following diagram to add horn honk to my alarm's siren.

I just replaced my car's horn for the light in that picture, and it works great. The only difference with how I hooked mine up compared to that picture is that I had to put pin 87 to ground on the relay rather than 12v+. This is because my horn rested at (+), and I needed a (-) to trip the horn.

This is just another way to do it. I like this way (compared to the other one posted) because you only need 1 relay and 1 flasher (no diodes or second relay needed).