hi guys i need some help again i used a tire-safeguard monitoring system for my tires on my truck and trailer. the guy i use is Dion he is out of Cerritos ca.i been trying to get a hold of him for a few days not sure what is going on with him. had a hard time before getting a hold of him .to bad he is a nice guy easy to work with any away anyone else using the tire safeguard system for there tires who you are dealing with. thanks, i don't want to spend my money on a new system.