Hot answers tagged fuse
Unfortunately, simply unplugging a fuse isn't going to stop a determined thief, as they often tow cars away rather than going to the noise and effort of trying to start them... I'd suggest some kind of physical lock, either on the steering wheel, gear lever/handbrake, or similar - they often act as a visual deterrent to casual thieves as well, who will go ...
It would help to know what type of car it is but on a petrol vehicle, a quick and easy solution is to remove the king lead from the coil (it's the one that runs to the centre of the distributer cap). No coil lead means no spark which on a petrol car means it won't start. Unfortunately this won't work on a Diesel as these don't rely on spark plugs.
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