On my 86 it's directly behind the padded dash.
There are two modules.
One is the "break in" alarm that honks the horn, which is taped to the wiring harness above the passenger foot well light.
The VATS (Vehicle Anti-Theft System) module that prevents the engine from starting is located behind the large padded section with "CORVETTE" on it on the passenger side of the dashboard.
it is under the plastcover where your jack are
Anti-theft module, 1985 Corvette. Under dash on passenger side next to the heater control valve.
Where is the theft deterrent module on 1995 Buick Regal
Behide the passengers side air bag
Under passenger seat
The easiest way to bypass the theft deterrent module is to remove the fuse. The location of the fuse can be found on the inside cover of the fuse box.
Nice try
it disables the starter and the fuel injectors
It's on the passenger side, above the kick plate.
To the best of my knowledge, it is located behind either the passenger side dashpad or behind the "information center" in the middle of the dash
The theft deterrent system is built into the Body Control Module. There are sensors and switches that affect the BCM throughout your car so you need to be more specific as to what you're looking for.
It is part of the vehicles ECM, which can be found under the hood. It is located on the passengers side all the way in the front right corner. There is a black plastic cover over it.