Thanks. But I already mounted my sensor above the garage door and do not want to have to run sensor and mount it into the concrete. I found this one Amazon and i think it will do the trick and all i would have to do is swap out the sensors i have now. Please let me know if the item below will work. It has 3 connections to it.
Megatronix - MGT - Magnetic Reed Switch, Normally Open (N/O) And Normally Closed (N/C) - Ideal For Doors, Windows, Garages, Gates, Truck Beds, Etc
http://www.amazon.com/Megatronix-Magnetic-Normally-Windows-Garages/dp/B0010F0086/ref=sr_1_2?ie=UTF8&qid=1353822455&sr=8-2&keywords=normally+open+magnetic+switch