How to disable the factory alarm completely in 00 cougar?

turn it off cuz I keep randomly disappear when you close the door. to turn the jus alarm unlock the door. so that one has to leave my doors open eveywhere cuz I will turn off. so if anyone can help me it would be great. I care less for the alarm and now wants to stop going to chance. cannot afford to put on the market for accessories. I just want to be able to lock and unlock the doors of

Cut the wires

LAFD Greater Alarm-Auto Repair Complex