Viper alarms suck. I bought a car with a viper alarm once and it wouldn't shut the hell up (and the car wouldn't start, either). We eventually pulled it out, but that car's had electrical gremlins ever since.
2003 GT Limited Edition 199k - The $600 winter beater. 2004 Buick LeSabre 172k - Top Swapped, 3.5 pulley, 1.9 rockers, SLP headers... still slow... MAKE AMERICA FAST AGAIN!