i foiled a potential burglary of my 3 door from outside my house a good few years back by simply rewiring the fuel pump feed to a switch in the seat
i moved the seat, the switch switched off, no fuel pump, non starter
move the seat back to where you could reattach the switch, car worked fine
but this was after they had pulled one of the indicators out to try and short the wiring, then fucked the passenger door lock and door, then broke the window, pulled the steering column about and then were pushing it down the road while my old man was shouting out the window "what are you doing?"
their reply was "we are stealing your car"
they got about 100 yards down the road before they gave up and left it but it didn't help that the coppers didn't turn up for another 45 minutes
there were 5 of them mind, and they had committed armed robberies and were looking to change cars several times, the car they were in was stolen and they left that at my house while they were trying to steal mine, before they stole someone else's further up the road