My alarm will arm (horn sounds once, security
light on info center is lit), but if a door is opened the alarm does not sound. (I roll down the window, get out of the car, hit the arm/lock button on fob, then reach in and open the door - no honking or flashing lights).
A couple of days ago, someone tried to steal my car and pulled some wires down from under the dash and I had that reconnected by a mechanic.
Where or what is the sensor that sets off the alarm when a door is opened when the alarm is armed?