Right now I have a clifford and it works great. It is wired so that when the glow plug light goes off the engine cranks. I had an Astrostart on my last truck and it worked flawlessly. Either way, you can't go wrong. Both the ones I have had have been the top of the line two-way paging systems.
2004.5 2500 hd duramax lly allison
mars 22 remote start with cool down timer
works up to 1500 feet no problem
silverline dual exhaust cat. back(nothen comes even close to sounding
that good! trust me!
the rest is all stock!
my buddy is running 03 lb7 with 3/chips & nos /pulled @ 749 hp &1429 toruqe on the di-no !