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How to disable S2000 for security

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Old 10-25-2016, 05:08 PM
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Question How to disable S2000 for security

I just picked up a beautiful AP2, and would really like to keep it. This being said - does anyone have any experience in installing a simple disabling switch in an AP2??

I'm hearing that the s2000's are becoming a theft target and want to be able to disable the car using a simple hidden switch under the dash or under the seat or ??

some years ago I had a '78 308 GTS in San Antonio, way too close to the Mexican border, and wanted to insure that it stayed where I parked it. There was a pressure switch under the driver's seat that disabled the fuel pump should the driver leave the seat, like in an accident. I installed a switch to break that circuit, and put it under the seat so that I could quickly and easily disable the car when leaving it parked.

This being said is there a convenient circuit, ignition, fuel pump or even the switch on the clutch pedal that would allow an easy disabling switch???

thanks much guys!
Old 10-26-2016, 12:31 PM
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Maybe I've been away from the forums for too long and missed something, but the S2000 has an electronic disable system - the car won't start unless a key that has been coded to the ECU is used. Has that changed? Other than bringing your own ECU and matching key is there a publically-known way to bypass the factory system? In my experience if they want the car they just tow it.
Old 10-27-2016, 10:44 AM
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Default The Disable Function is obviously enabled with a key but...

yes, I am aware of the obvious , however I've heard that folks are getting keys made using the VIN that's clearly visible from outside a car. They understand your routine, or where you live, then come back at their convenience w a duplicate key and you are out of a car. Heard of several such as this here in Atlanta. Hence my request for an alternate such as - car won't start without the clutch pedal being depressed, maybe a switch on that circuit?
Old 10-28-2016, 07:20 AM
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A lot of guys in the 240sx community install a simple SPST throw switch on the fuel pump power wire so the fuel pump wont get power no matter what. You can get pretty creative with it.
Old 10-28-2016, 09:19 AM
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All you need to defeat the immobilizer is bring an aftermarket ECU with you.
Old 10-28-2016, 10:11 AM
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At the end of the day, they'll tow it if they want it bad enough. You would be better off putting a GPS tracker on the car than worrying about a kill switch.

Last edited by Fokker; 10-29-2016 at 02:14 PM.
Old 10-29-2016, 08:52 PM
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My father in law put the kill switch in the cigarette lighter of his 67 Mustang. Instead of pushing the the thing to heat up for a light, it really was an on / off switch. I thought it was pretty slick.
Old 10-30-2016, 03:24 AM
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Cigarette lighter? How long ago was this?

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Old 10-31-2016, 10:27 AM
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Originally Posted by Maddog308
yes, I am aware of the obvious , however I've heard that folks are getting keys made using the VIN that's clearly visible from outside a car. They understand your routine, or where you live, then come back at their convenience w a duplicate key and you are out of a car. Heard of several such as this here in Atlanta. Hence my request for an alternate such as - car won't start without the clutch pedal being depressed, maybe a switch on that circuit?
If all it takes is the VIN# to duplicate a transponder code then I am surprised more cars are not being stolen. But assuming that's all it takes, then the answer seems obvious - swap your ECU/key/lock with another S2000 owner. Or buy a set from a junk yard and then to recover your cost sell your old stuff to another S2000 owner who wants to theft-proof their car. Sure it's more work, but you end up with a totally stock setup that is theft-proof without having to resort to any special process for starting the car. Any observer will only see you put the key in and go, and will never know that a VIN copy will be useless.
Old 10-31-2016, 05:52 PM
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Friend used to shackle his 1964 Porsche 356SC to a post. From axle to post with HD chain and Master lock. I have heard someone got their Supra stolen, even with the HD shackles. Guys torched the chain.

One thing about this arrangement... must not forget to de-shackle before driving off.


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