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I have a 96 mustang gt and i havent had it long enough to get a spare key. I was out plowing the other day and lost my only key for the car. I have found people to come to the car and they say they will cut me a key and program it for $150. I can get a new ignition for $35 at the local parts store that comes with a new key. Doesnt seem that difficult to do ..BUT.. can I program a new key to the car like this link says ? Or do I even need to program it ? I really dont like the idea of paying that much for a key if something happens to the one I have .. is there a way to turn off the theft system or remove it ??

:worship

Program a new Ford PATS Key
 

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Looks like 96 and older, you might be able to do the master key. I would buy a ford key and try it first.
 

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if u have a pats key there is a way to program it but it takes like a hour
1) Take a spelling course.
2) Your post is of no help unless you provide information on HOW TO, not just saying that there is a way to.
3) This thread is over 2 years old, and the OP never returned. There is no reason to bump it unless you yourself have a related question.

Oh, and with the PATS system, the only way to program a master key is through a licensed Ford dealership. If you already have two programmed keys from Ford, then there is a way to program additional keys. The same goes for the key fobs. This procedure can be found by a quick search on Google, and it will only take you two minutes to do.
 
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Oh, and with the PATS system, the only way to program a master key is through a licensed Ford dealership.
The 96 PATS can be programmed by the customer using a single key. The procedure takes 45-60 minutes and must be followed exactly. I have posted it several times.

The later MY PATS systems need the advanced tools to program new keys. The end user can program a 3rd key if they have two working keys.
 

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The 96 PATS can be programmed by the customer using a single key. The procedure takes 45-60 minutes and must be followed exactly. I have posted it several times.

The later MY PATS systems need the advanced tools to program new keys. The end user can program a 3rd key if they have two working keys.
Then I have missed something. But does this only apply to the '96 PATS system then?
 

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96-97 PATS key re-programming procedure

For the 96-97 Model Year. The procedures below do NOT appear in the 98+ service manuals.

Key Initialization


The system provides a key initialization procedure in the event all keys programmed into the system have been lost, or only one key was lost and the customer wants to make sure the lost key will no longer start his vehicle.
The vehicle protection system also allows for the reprogramming of the system if the ignition lock assembly requires replacement. This mode requires only one encoded key be programmed before the passive anti-theft system module will send the vehicle enable message to the PCM module.
To erase all keys in memory and store an unprogrammed key in memory, refer to appropriate procedure:
  • If a programmed encoded ignition key is available:
    1. Place key in ignition switch and turn to RUN position.
    2. Enter NGS: PATS, ACTIVE COMMAND modes.
    3. Select ignition key code ERASE ON (within 5 seconds, all key codes stored will be erased).
    4. Turn ignition switch to OFF and then back to RUN position to program the first key into memory.
    5. Follow spare key programming procedure as outlined for programming in any additional keys required.
  • If no programmed keys are available follow the procedure outlined above; however, instead of taking 5 seconds to complete key erasing, it will take a minimum of 8 minutes.
An alternate programming method is possible and is intended to keep a customer from being stranded, and who has no access to a service shop equipped with diagnostic tools. This interactive procedure takes approximately 45 minutes to complete. The elongated time is necessary to maintain the high level of theft protection provided by the system. When initializing the system using this procedure, it must be followed precisely or the system will abort and the procedure will need to be started over.
The alternate programming method operates as follows:
  • Insert an unprogrammed encoded key into the ignition lock and turn ignition switch to RUN. The THEFT Indicator will begin flashing.
  • Follow this procedure three times: After 15 minutes of flashing, the THEFT indicator will extinguish. Within five minutes after the THEFT indicator has gone out, turn the ignition switch once to OFF for a second, then back to RUN. The THEFT indicator will resume flashing for another 15 minutes.
  • After the third time (at 45 minutes from start), the control module will erase all stored keys and memorize the unprogrammed key as valid. This key will now start the vehicle. Additional keys can be programmed using the Spare Key Programming procedure.
 
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