2004_Sierra_Lq4

Hey guys so today my 2002 Silverado 1500 decided it needs more attention and starting blowing the horn every time I lock the truck. Once I'm done driving I get out and lock the door with the factory key fob and the horn will sound and honk constantly, not the normal factory alarm honks it will just sound constant like I'm holding the horn on. I've temporarily unplugged my horns so I can atleast lock it. however when I lock it my gauge cluster will cycle between "security" and the red battery light, as well as the mileage will stay lit up. I don't even know how or where to start with this but I'm fine with disabling the factory security system completely if thats possible. Any help or suggestions is greatly appreciated thank you in advance!

trxmxzx

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