tried out my new spare key and the jeep dies - Page 2 - JeepForum.com

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post #16 of 27 Old 09-29-2009, 08:15 AM
Redrum_1
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Some of your better hardware stores have transponder blanks and can fix you up for about $30. I didn't know this till after ordering one from ebay. When I went in to get it cut he told me they had them and can also program them just like a dealer can.

Good Luck...


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post #17 of 27 Old 09-29-2009, 10:25 AM
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^^^^interesting. Anybody try said hardware store version? Are we talking like Home Depot?

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post #18 of 27 Old 09-29-2009, 10:28 AM
ezflip
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Originally Posted by Redrum_1 View Post
Some of your better hardware stores have transponder blanks and can fix you up for about $30. I didn't know this till after ordering one from ebay. When I went in to get it cut he told me they had them and can also program them just like a dealer can.

Good Luck...
I highly doubt they can program them unless you already have two working keys in which case you can do that yourself. Programming a key without two working keys requires a DRBIII scan tool.

~James

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post #19 of 27 Old 09-29-2009, 11:19 AM
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You never know till you try. My hardware here is an Ace Hardware. They been in business for 70 years and try to keep up to date on things. I know they have the correct transponder blanks for my 2000 WJ and he looked in his book and said he could program them also.

Good Luck...

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post #20 of 27 Old 09-29-2009, 11:34 AM
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Originally Posted by Redrum_1 View Post
You never know till you try. My hardware here is an Ace Hardware. They been in business for 70 years and try to keep up to date on things. I know they have the correct transponder blanks for my 2000 WJ and he looked in his book and said he could program them also.

Good Luck...
The keys are hard programmed meaning you cannot change them. Each key has a unique RFID signal it transmits. To program it to work with your jeep, nothing is actually done to the key itself. It is all done via the module in the jeep. Using the DRBIII tool, the dealer tells the jeep to be ready for new programming at which time they insert the new key and the module accepts the new RFID signal from the key and remembers it for future use. So no, the hardware store cannot program them.

It is like pairing a bluetooth headset to your cell phone. You have to tell your cell phone to accept a new device. If anyone could program their headset to any phone, there would be a lot of eavesdropping going on. You have to tell the main device when to accept a signal from the secondary device. In this case, the jeep is the primary device accepting a new signal from the secondary device (the key)

But, by all means, if you want to take your key into ACE hardware to see if they can program it, be my guest.

~James

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post #21 of 27 Old 09-29-2009, 12:36 PM
Redrum_1
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Everything you wanted to know about WJ Jeep keys but were afraid to ask!

Jeep Grand Cherokee WJ - Sentry key programming

Good Luck...

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post #22 of 27 Old 09-29-2009, 12:51 PM
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Thats too funny. Getting a SKIS key programmed at Ace Hardaware? Thats like bringing your Fedex package to the Wendys drive thru.

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post #23 of 27 Old 09-29-2009, 12:53 PM
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Thats too funny. Getting a SKIS key programmed at Ace Hardaware? Thats like bringing your Fedex package to the Wendys drive thru.


Whos the funny guy now?

~James

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post #24 of 27 Old 11-05-2009, 08:12 AM
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Now that is thinking! glad we have smart people on here. I was thinking of a way around this system for a remote start.
Does this system(sentury), actually stop a theft if some idiot decides to bash my steering column in?
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post #25 of 27 Old 11-05-2009, 09:04 AM
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Now that is thinking! glad we have smart people on here. I was thinking of a way around this system for a remote start.
Does this system(sentury), actually stop a theft if some idiot decides to bash my steering column in?
Well, that idiot can still steel all your ****, but hes not going anywhere with the jeep itself, unless he puts it on his back and runs away with it

Some of your better (more expensive) remote starts will be programmed with the info from the key then have a wire that wraps around the SKIM in the Jeep to make it think it is being started with the correct key. Some of the cheaper remote starts will just take a spare (programmed) SKIS key and zip tie it to the dash, which kind of defeats the whole purpose of the SKIS. At least with the better remote starts, it doesn't send the signal to the SKIM unless it is told to do so via you pushing the button on the fob.

~James

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post #26 of 27 Old 11-05-2009, 09:31 AM
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Well, that idiot can still steel all your ****, but hes not going anywhere with the jeep itself, unless he puts it on his back and runs away with it

Some of your better (more expensive) remote starts will be programmed with the info from the key then have a wire that wraps around the SKIM in the Jeep to make it think it is being started with the correct key. Some of the cheaper remote starts will just take a spare (programmed) SKIS key and zip tie it to the dash, which kind of defeats the whole purpose of the SKIS. At least with the better remote starts, it doesn't send the signal to the SKIM unless it is told to do so via you pushing the button on the fob.
That is an interesting description of how remote start works and the opposite of my understanding....

The comp is told to start by the key fob, it will stay running for a period of time if you do nothing. If someone tries to get in and take it, as soon as it is taken out of park w/o a key in the ignition or in the vehicle the ASD will shut it off. The whole "zip-tied TP key" had me lMFAO.

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post #27 of 27 Old 11-05-2009, 09:57 AM
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That is an interesting description of how remote start works and the opposite of my understanding....

The comp is told to start by the key fob, it will stay running for a period of time if you do nothing. If someone tries to get in and take it, as soon as it is taken out of park w/o a key in the ignition or in the vehicle the ASD will shut it off. The whole "zip-tied TP key" had me lMFAO.
This is correct once the Jeep is started. However, the Jeep cannot and will not start without the proper RFID signal, whether that signal comes from the remote start unit itself, or from a programmed key zip tied to the dash. Oh, and the ASD relay is usually linked to the brake pedal, not to the shifter

~James

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