Anti-theft system has been triggered after I changed the ignition?

2005 FORD TAURUS
138,000 MILES
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HIMESNICHOLAS
  • MEMBER
  • 4 POSTS
Do I need to also put the old ignition warning relay onto the new lock cylinder?
Aug 13, 2022 at 10:15 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
No, the key is not coded to the car like on some models. Here are the instructions so you can see what needs to be done when changing the key lock and cylinder. Check out the diagrams (below). Please let us know what happens.
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Professional Diagram for 2CarPros Members
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Professional Diagram for 2CarPros Members
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Aug 13, 2022 at 5:55 PM
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Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.