how to disarm factory anti theft system 2001 jeep grand cherokee

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bought the jeep ,one day later lost the only key i had for it.no money to buy replacement keys or remote.how can i bypass or disable the alarm system???? getting 10 different answers from you tube and google. i dent pulled the ignition,,,so it turns over with screwdriver.the one only key entry lock on drivers door is messed up,so that prevents me from being able to disarm the alarm that way.i know its stupid but i have $0 money period.ive been told ground it out to disable it but i would prefer to just remove or bypass the alarm altogether.is it possible to start this jeep with no ignition or key for the jeep if i can ground out or actually remove the alarm system? thank you