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Old 05-03-2006, 03:43 PM
mgraveman mgraveman is offline
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Disabling PATS

I am getting ready to put a modular from a 1997 E350 into an 82 F350, and am wondering how to disable PATS so that it can run in an older truck.

Any ideas?
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Old 05-04-2006, 01:01 PM
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Originally Posted by mgraveman
I am getting ready to put a modular from a 1997 E350 into an 82 F350, and am wondering how to disable PATS so that it can run in an older truck.

Any ideas?
Go to the dealer and see if there's a calibration code without PATS?

And then get a computer with that code from a junkyard?

Does the PATS system just use a resistor in the key like the GM's around that time? If so, you can get a resistor of the right value and wire it in and get around it.
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Old 05-05-2006, 08:56 AM
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I just did some research, and it looks like the Ford PATS system is a transponder-based system. Not easy to bypass.

Look at remote-start systems, they do sell PATS bypass modules that are basically programmed with the transponder code (2 keys required) and then there is a wire loop that transmits the transponder code to the computer. Nice hack.

However, there HAS to be a 5.4/4.6 computer that doesn't include PATS that you can use... again, ask the dealer's parts dept.

Good luck! And let us know how it works out and what you did to bypass it.
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Old 05-05-2006, 10:04 AM
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use a computer from any SD truck those don't have PATS.
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Old 05-05-2006, 10:13 AM
mgraveman mgraveman is offline
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Oh, rezally?!?!

Will my van engine work fine with the SD engine and transmission?

Now that I think about it, the keys in those vans are the small one, like my 94 has. It is not like the newer ford keys that are large. Does that mean that this does not have PATS at all?
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Old 05-06-2006, 11:05 PM
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Vans don't have PATS. You will be fine
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Old 05-14-2006, 09:41 PM
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Thank you. I checked this with the ford dealer, and you are very correct.
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Old 05-17-2006, 06:55 PM
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Yeah I kinda have an inside scoop considering I am a technician at a Ford dealer.
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Old 06-12-2006, 07:53 AM
02 LariatFX4 02 LariatFX4 is offline
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Can't you also get a spare key and have it set to full time disable it?..I went to a car audio place and they said to get an alarm/remote start they had to put a spare key in somewhere to disable the system...(may be cheaper route than to get another computer....
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Old 06-12-2006, 07:53 AM
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