The lights in the dash come on but the security light jus flashes and the car want turn over or nothin

You can't do anything ,unless you have diagnostic computer . Check codes , program key etc.... Call a mobile lock smith or have towed to the dealer .

Fixed Problem (it was my van) no power to ignition wire at starter. Replaced Ignition lock cylinder. just worn down. (Delivery van 50-60 starts a day). 160k miles.

The display is backlit and you most likely need to remove it and have it repaired as the bulb is hard wired to the circuit board

Do you see a light on the dash that says security when this happens? http://vatspasslockpasskeysecurityhelp.yolasite.com/

you need to get a new ign. lock cylinder and chip key. Or you can get a lock cylinder and copy your old key with a regular key no chip. Take new cylinder, put old chip key in it. Plug into harness at the bottom of steering column just behind the dash, fine orange wire from existing one in the column. Hide lock cylinder under dash and start car with copy of old key.

is your security light in dash flashing if so try to start let off key but do not cut off leave key on so all your dash lights are on let vehicle set for at least 15 mins. flashing security light should stop flashing once it stops flashing start vehicle sounds like it has tripped security

If you want to initiate a new master key.... 1. Insert new key into ignition cylinder and turn it to the ON (RUN) position. The security light on the dash will flash for fifteen minutes.
2. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder OFF and then back to the ON (RUN) position. The security light on the dash will flash for fifteen more minutes.
3. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder to OFF and then back ON (RUN) position. The dash will flash for fifteen more minutes.
4. After the security light stops flashing the third time, the new key has been programmed into the vehicles computer and will operate the car. It has replaced ALL the previous electronic key codes and is the ONLY key programmed into the vehicles computer.

The dealership should be able to do this for you without a current key, of course this means towing the vehicle to them. See if they will sell you a key and you program it yourself.

hope this helps. I found the above info at FordF150.net

It's the battery same thing happened with my truck. I changed the battery and the problem was corrected.

It could be that chip inside key just went bad. Do u have a 3rd key? That works? If so take the 2 good keys and turn the igntion to run postion for 3 secs each then do the same for the 3rd key and this will reprogram it if the chip is ok. If you do not have 2 good keys then u will have to have a scan tool that will link up with PATS system and perform security access to reprogram it.