LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Where to measure VATS Ohm value without ignition key.

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Old 06-19-2015, 02:45 PM
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Default Where to measure VATS Ohm value without ignition key.

So I got tired of my car rotting away, the keys were lost when it was in storage and I hadn't really looked for replacements until today. Luckily I found blanks for $9 apiece but I need to know where to measure the resistance value for the VATS in my car. Can it be read at the cylinder lead or somewhere else?

Also, I was wondering if I were to remove the lock cylinder - could a locksmith then cut the keys to match?

Thanks.
Old 06-19-2015, 04:53 PM
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Default Where to measure VATS Ohm value without ignition key.

It's measured on the little black "chip" that is on the key. I would buy an assortment of resistors and get the ohm readings for the 15 different chips that gm used. Then start at 1 and go to 15 changing the resistors until you find the correct resistance.
Old 06-19-2015, 07:27 PM
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Ok, where do I apply the resistors to test the values and determine whether they match?
Old 06-21-2015, 09:48 AM
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Here...

http://shbox.com/1/air_bag_disc_2.jpg
Old 06-23-2015, 08:09 PM
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When I replaced my BCM I got a six pack and a pack of resistors at radio shack. There are only 9 combos to try.



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