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Maybe reading the post a little closer will define what I want to do. This is not a remote starter but a security feature that will shut the car off if the password entered or USB key is not inserted. The reason for this would be that a USB stick is much easier to replace and a password is easier to figure out. I own a jaguar and just finding a lock smith to make a new key is difficult. If I was out in the middle of nowhere and needed a key made, I would be *** out of luck. This happened to me recently and that spurred the whole idea.
I tought about it before but now the push is on and I feel as if I need to get this done sooner than later.
As for the steering wheel lock you are right it is key operated. Mine is non-functional anyway so there is no worry there. Plus the ignition switch will be removed when this application is put completed.
What I really need is a way to interrupt the circuit for the cars power (or keys on position circuit). My idea now is that when the computer starts the 12v from the PC will trigger an automotive relay completing the circuit and allowing you to start the car but once the windows prompt comes up to enter the password or insert the USB stick if not entered correctly the computer will shutdown and the car will turn off with in 1 minute.
The only problem I have is keeping this circuit closed if the computer were to freeze and shutdown or not start up at all. I suppose a hidden switch would work or even a seperate keyed ignition hidden somewhere.
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