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Does your automatic transmission have a manual shift mode? Is it possible that you pushed the lever from auto mode into manual shift mode? I've never heard of a bad or missing fuse causing this, but a misplaced shift lever could cause exactly what you describe. The second thing I would do is swap the taillight fuse back where you found it to see if that ...


Tools Digital Multimiter Voltage, Resistance, continuity settings Automotive specific DMM's are typically the same device but may have a few extra features (Duty Cycle, RPM) CAUTION: Certain modes on the multimeter can cause damage to the device or your car if improperly hooked up. Never connect the DMM to a circuit in parallel when it is on the ampere ...


I'd like to add to Nick's answer and mention a Circuit Tester if you need to simply test the circuit for power.


To track down and troubleshoot electrical issues, you will almost certainly need a multimeter (also known as a Volt-Ohm meter) - digital ones are best, like the one illustrated below (from Wikipedia) You can get cheap ones, which are fine for most automotive stuff, or much more expensive ones with all sorts of clever features. The two most useful things ...


Rather than the fuel pump relay/fuse, you could pull the starter relay/fuse. If the starter can't turn, the thief isn't going to kill your battery by cranking the starter until it dies. You could install a hidden button and connect it to the starter wire (between the ignition and the relay), so you need to press the button and turn the key to start the ...


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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