If you take the hush pad off the pass. .side..lay on your back...look up...you will see the ECM...now look back towards the back of the car...located behind the breadbox, you will see the TDM
A new module is about 80-90 dollars...and I really think the only good funtion on an alarm is the starter interrupt...Other then that how many alarms have you heard and ignored? Now I have the factory and a boxed alarm. I only did that for the extras...Auto start, widows roll up and roll down. I also had some extra sireens hanging around, so I installed them. (I have three) It is Really annoying when it goes off...almost ear shattering.