Originally Posted by shadetreemech

I have an 82 300 SD, and am in the process of putting in a keyless entry-- But all of the posts I have read seem to mention a " factory alarm" If my car has one --I have not found it, does anyone know if they were on all models ? or an optoin? I cant believe that this is such a big deal --as the auto locks are vacume --and all one needs to do is splice the control modual in front of the master vacume switch--- or am I mistaken in my ignorance?