94' alarm issues

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i've got a 94' sentra le for a DD and i've been having some serious alarm issues lately.

-the alarm will not stop going off ( its been going off for about 4 days straight now...i just unpluged the horn so i didnt go crazy)-the car will not engage the starter with the alarm going off (ive been pop starting it everyday and in the snow to say its 'annoying' would be a gross understatement)-my chilton manual doesnt say how to disarm or disable the alarm system and my search efforts have come up w nothing

anyone know how to disable or disarm the alarm on a '94 le???