it may not be hard to actually wire a security system, but it is hard to know where to put everything. You have to put the brain and the sirens in hard to get at places because if you leave them in an easily accessable place the crook will immediately disarm it and then have all the time in the world to do what they want to your truck. you have to be carefull about where you place the brain and the sirens and the starter kill if you have one.