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Adding a fuel pump kill switch

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Old May 12, 2024 | 11:14 PM
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Default Adding a fuel pump kill switch

Hello all!
I am a first time Corvette owner as of about 2 months ago (2019, A8, Z06). Unfortunately, my car was broken into without anything being taken - which led me to believe that the thieves were after my car. I have taken some precautionary actions but I want to take more now.

I moved where I park my car right in front of my cameras (before it was a little off center), added night time lights pointing directly to my driveway/car, and added a 24\7 dashcam. Now, I want to add a kill switch.

However, after researching for over 2 weeks straight, I cannot seem to find any information on how to add one. I found wiring diagrams, but that doesn't help as I don't know what I'm looking at when it comes to in-person rather than a diagram. I'm looking to install it between the ECU and the fuel pump relay or fuel pump relay to the fuel pump. Something quick to toggle, out of reach of the driver, but hard to find. I looked under the steering wheel and found a few different modules, but I have no idea what each of them are. Any ideas of where I can add this switch?

Also, I'm not 100% set on the fuel pump, but maybe the ignition as well.

Yes, I know that if a thief really wanted to take my car, I can't do anything about it, I've read it a million times on this sub and everywhere else - it's more to add additional protection from a crappy thief. While some of you may just prefer your car getting stolen and getting a check from insurance, I don't. I love this car and plan on modifying it and keeping it forever. I'm not looking for advice on if I should do it, I'm looking for help on how to do it.

Thank you!
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Old May 12, 2024 | 11:39 PM
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You could go into the fuse box and get into the fuel pump or starter circuit. Pull the fuse, fabricate a fuse + switch + wires and back to where the other end of where the fuse would plug in - no splicing wires or working TOO hard.

Put the switch wherever - like in the console or trim piece on the left side of the console.

Ron
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Old May 13, 2024 | 12:10 AM
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Not sure where you live, but if you have a really good vehicle alarm/security vendor within reasonable distance, discuss your needs with them and see what they recommend.
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Old May 13, 2024 | 08:32 AM
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Anything less than a 12 Gauge won't stop a thief from taking your car.

The car already has a good alarm.

Unless you lock it in a shipping container its more than likely gone. Even that, they will just take the container also and thank you for they won't have to pay for one when its ship overseas!
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Old May 13, 2024 | 12:43 PM
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Originally Posted by Vetteman Jack
Not sure where you live, but if you have a really good vehicle alarm/security vendor within reasonable distance, discuss your needs with them and see what they recommend.
I agree with Jack. A good old fashion alarm install shop can do some interesting things. Years ago, on another vehicle, I had a "mystery switch" installed. They used an unassuming screw, on the dash, that you had to touch to complete the circuit, before the vehicle would start. That was actually ancient technology. I sure they have multiple ways to disable a modern cars ignition or fuel systems. Sounds like you want something simple. I would be careful though. These cars are so sophisticated that you code throw a code if you just cut power to certain systems.
On a different note - it's not actually a fuel pump kill switch, but my Soler throttle controller has a "lock" feature that allows you to lock out the throttle and make the vehicle virtually undrivable. ( maybe you could "idle" your way down the road.) I think it would be worth you time and money to find a good auto security shop to help you out. Good Luck
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