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Ive only looked into this out of pure electronic intrest. and from what i read the system requires you to make a humming noise as you breath into it. This leades me to thinking that it either has a small microphone that picks up on a frequency range (this would be a little low tec and i guess is not the correct setup), or there is a sencor that tracks the input air flow and the highs and lows of the high frequency that the humming noise makes kind of like tracking the waves at a beach. This would out the use of replicating the noise through a speaker and jamming a compressed can into the air port as the input air from the can would not have this high freq pluse though a constant.
This is not to say that the system can not be overcame with a compressed can, exprement would need to be made with something that can simplate the plue. putting a ball type wissle or a one way valve the once like a rubber flap on a blow up mattress.
and from further reading, The system seams to hook into about a handfull of the cars relays. this is a hack blessing in descuise and a pain in that ass to have a consiable hack. Though with the system only locking into the relays and not the engine controle module, depending on what relay its chopping into, its a easy workaround by not allowing the device to drop power to the relay. or simple to rid the system all together by dropping into the ignettion and starter relays.
there are probley many ways around these divices and not all would be going to the drastic end of removing it all together.
what this get me on thinking is these systems are designed to stop drink drivers, though what if you are slighty over the limit and hacked the system and pulled over and proven over the limit, though after inspection no hacking of the system can be found. you could then argure the point and sue the manafucture of the device saying that the system should not allowed you to drive so its not you drunk ass that is At Fault. though the faulty system that you are now taking the company to court for.
hmmm no matter how much technology you put at the problem of drunk drivers, technology can not fix stupid. no matter how much you fine people, people will be people, no matter how much jail time you give people, you can not stop them from learning.
Listen i just had an intervention lock device taken of my truck. They are the biggest peicece of crap youll ever have.! GURENTEED! Just on-hook it!. Put it back together when the pepole come out to check it
! Thas how i did IT!
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What is the purpose of ignition interlock devices?
An ignition interlock device is a device that is installed into a vehicle. It is a safety device used to prevent people from driving if their breath is noticeably concentrated in alcohol.
Where is the use of an ignition interlock device allowed?
An ignition interlock device is allowed inside a vehicle that has been ordered by the court to have one installed. It is used to prevent a car from starting if someone has had alcohol to drink.
How can you pass an ignition interlock device with alcohol in your system?
balloons of clean breath
Will a breath alcohol ignition interlock device work with msd igntion system?
Yes, an interlock device will still work. An MSD box is an after market brain that fires the spark plugs in performance vehicles and has nothing to do with engaging the starter motor. The interlock device is installed between the ignition switch (key) and the starter motor relay or solenoid and is independent of the secondary ignition system. (Where the MSD box is located)
How is the Ignition Interlock Device connected?
An Ignition Interlock Device (IID) is larger than a cell phone and is wired to your vehicle's ignition. A standard Igntion Interlock has four main cables. The 12 Volt, Igntion Hot, Starter and Ground in order ot operate correctly. You have to have direct 12 volt, and solid ground, then you interrupt the starter wire and connect the interlock starter kill to that, and last is the ignition run, so when you turn the key it activates the Interlock. How it installs varies from car to car, but basically it disables your key from reaching the engine. The device prevents the engine from being started if the breath alcohol concentration is too high. It needs to be installed by a state certified installer along with a lot of official paper work, so it is not a do it yourself thing. More importantly, criminal sanctions exist for circumventing or tampering with an Ignition Interlock Device. In Arizona, QuickStart Ignition Interlock AZ is one.
How can you bypass a neutral safety switch on a 1990 Nissan D21 Hardbody with a 3.0 V6 Manuel Transmission?
It doesn't have one, it has a switch on the clutch pedal. It also has an interlock switch on the dash, turn the ignition switch on and press the interlock switch and it will bypass the clutch switch.
Can a person get in trouble for installing a interlock ignition device in their car for another person convicted of DUI so the actual DUIer never has to drive that car but its on record as installed?
not is a judge recommended him to ge a interlock igtion device
Can I buy a car breathalyzer for my son's car?
Here's one place where you can buy an ignition interlock device: http://www.smartstartinc.com/ .
How do you bypass ignition anti theft device on 1997 Chrysler cirrus?
It can not be bypassed. The malfunction must be repaired.
Does an ignition interlock detect marijuana use?
No. Interlock devices are designed to detect alcohol only.
How many non alcoholic O'douls beer can you drink and still pass an ignition interlock system?
Depends on the sensitivity level set in the ignition interlock system.
What reason does the court order to install a ignition interlock device?
Thye are used almost exclusively in DUI offenses. The driver must blow into the device, which acts a a mini-breathalyzer, and detects any alcohol on the breath. If no alcohol is detected it electrically unlocks the ignition for the car to start.
