C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Vats key/starting problem

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Old Aug 1, 2008 | 12:27 PM
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Default Vats key/starting problem

I had a 85 coupe that I recently sold. I found a 1994 coupe for $7,000. So I called the car dealer and he says the car doesn't come with a key because it was lost. He also said he tried to get another key from the dealer but it wasn't possible. He said they told him you have to change over the whole ignition. Even if you change the whole ignition, who could guarantee that this was your problem. Is this too big a can of worms to open. Any help would be greatly appreciated. Also how hard is it to change the ignition, and if I didn't how much to have it done by a competant mechanic.
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Old Aug 1, 2008 | 06:40 PM
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http://forums.corvetteforum.com/show....php?t=2038997

You could try this. Its pretty cheap. You bypass the vats all together.
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Old Aug 1, 2008 | 08:08 PM
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Originally Posted by cplonner
http://forums.corvetteforum.com/show....php?t=2038997

You could try this. Its pretty cheap. You bypass the vats all together.
But I would be nervous about buying a Vette from someone who knows nothing about it. If you invest the time and money for a by-pass will it start? Guaranteed? RUN, FOREST, RUN!!!
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Old Aug 1, 2008 | 08:26 PM
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With no key at all it will cost that much more to even get a key. Since the dealer can't get one I dunno if a locksmith could make one either. If it comes to changing the tumbler and finding the VATS value I would look elsewhere.
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Old Aug 2, 2008 | 08:44 AM
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Originally Posted by cplonner
http://forums.corvetteforum.com/show....php?t=2038997

You could try this. Its pretty cheap. You bypass the vats all together.

You need the VATS resistance to be able to bypass it.
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Old Aug 2, 2008 | 10:20 AM
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VatsSucks.com
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Old Aug 2, 2008 | 11:05 AM
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Yeah, from what I understand, in a nut shell you just need to solder a resistor of the right resistance between two specific wires. Once you have done that any key will work as long as it functions correctly mechanically. I think there are only like 10 possible values as far as the resistor goes.
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Old Aug 2, 2008 | 12:12 PM
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There are 15 possible codes but without a key to power up and check the CCM, you'll have to have a dealer or possibly a locksmith use an interogator with a "service" key to find out.
At that price, it may be worth it if the mechanicals and other items look OK.
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Old Aug 2, 2008 | 09:21 PM
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Find someone with a valid AAA card they will send someone out and make you a key in about 2 hrs. It's incuded in AAA.
Any locksmith who does cars can do it. The have a special key that switches the different resistances in until they get it to start. It takes time since if you hit the ECM with the wrong resistor it won't do anything for 5 minutes even if it gets the correct key.
Ask me how I know....
The resistor fell out of my key when I was on the road years ago and the guy came out and fixed me a key in about 30 minutes, I knew the resistor code.

JS
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Old Aug 3, 2008 | 12:32 AM
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mid america motor works sells the vats bypass kit cheap! check it out!
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Old Aug 3, 2008 | 09:43 AM
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Originally Posted by jsinga
Find someone with a valid AAA card they will send someone out and make you a key in about 2 hrs. It's incuded in AAA.
Any locksmith who does cars can do it. The have a special key that switches the different resistances in until they get it to start. It takes time since if you hit the ECM with the wrong resistor it won't do anything for 5 minutes even if it gets the correct key.
Ask me how I know....
The resistor fell out of my key when I was on the road years ago and the guy came out and fixed me a key in about 30 minutes, I knew the resistor code.

JS
That sound like a good route right there!
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