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hey everyone I have a 2007 classic silverado ext cab and was wondering if the key has a chip in it and also will older key fobes work or do I need one from an 07

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I don't think they put chips in the truck keys till the 900s. If there's a chip, they key should have a "+" on it. I'd also guess that any fob since they updated the electrical system in 03 would work.

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for the key fobs, go on ebay. You can find any config. I found them for my 08 GMT900 on there.

 

For the key, read your owners manual to see if it mentions a "Pass Key" system. If it has Pass Key, it is chipped.

 

Otherwise, go to HomeD and have them copy the key for a couple bucks and try it. My 99 does not have a chip in it.

 

If it has a chip in the key, you can also find brand new blanks on ebay. I bought 2 of them. Take them to your local key cutter and have them cut to match your original. Then follow the easy programming

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All GMT800's have NO chip in the key, you can see it on the key. GMT800 trucks have the chip in the tumbler and a reader in the housing. Any key correctly cut will start the vehicle as long as the column, PCM & BCM relay the correct values.

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Just got a brand new factory remote and factory GMC key from these folks. Cheaper and faster than the dealer. Had the key cut at Ace today for $1. These folks have a couple different configurations for the remotes ; from just cleaned, buttons/case replaced or brand new factory pieces. I guess I'm OCD because I HAD to have the actual GM pieces and the eBay stores were cheap, but nearly everything I found was just recycled used remotes (read "Dirty", etc.) or brand X keys.

 

http://www.remotesandkeys.com/default.asp

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All GMT800's have NO chip in the key, you can see it on the key. GMT800 trucks have the chip in the tumbler and a reader in the housing. Any key correctly cut will start the vehicle as long as the column, PCM & BCM relay the correct values.

 

:D

See this post.

 

Don

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