Originally Posted by 2011 Nismo#91

First there are no dumb questions only dumb . There are 2 ways you can fry a system both are not practical (and leave the cars whole electrical system destroyed) and it is more reasonable to just go online and download the alarm installation manual and disable it in less then 5min.

A. Electrostatic Discharge, fancy for a spark or lightening bolt. And even a bolt of lighting wont hurt a car because of the metal body work. You need to remove all shielding (metal parts) around the device and only then would the part be vulnerable to damage from something like a tesla coil (spark generator).

So the stuff in movies is just that.