How to Replace the Lock Cylinder on a 1989 Ford Truck

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The ignition lock cylinder on your 1989 Ford truck uses five pins to engage the ignition switch. A failed lock mechanism will either keep the key from turning or lock it into the cylinder. Fortunately, you can replace the cylinder with a few simple tools in your tool box. Before installing the new unit, though, make sure you have the correct replacement for your particular Ford truck model.

Things You'll Need

  • Wrench
  • Phillips head screwdriver
  • Scratch awl tool

Removing the Old Lock Cylinder

  • Detach the negative connection from the battery using a wrench.

  • Remove the upper extension shroud on the steering column if your Ford truck comes equipped with a tilt column. Depress the upper and lower end of the shroud manually to disengage the tab on the side of the shroud from the column.

  • Remove the upper and lower steering column covers using a Phillips head screwdriver.

  • Unplug the key warning switch next to the key lock cylinder.

  • Turn the ignition key to the "On" position.

  • Insert a scratch awl tool into the small hole on the lock cylinder housing and push the lock retaining pin as you pull the lock cylinder from its housing.

Installing the New Lock Cylinder

  • Insert the key into the new lock cylinder and turn it to the "On" position.

  • Depress the cylinder retaining pin with the scratch awl tool.

  • Install the lock cylinder into its housing and make sure the cylinder seats completely into its mounting position for the pin to engage the hole in the housing.

  • Turn the ignition key to the "Off" position.

  • Plug in the key warning switch.

  • Reinstall the upper and lower steering column covers using the Phillips head screwdriver.

  • Reinstall the upper extension shroud onto the steering column if your Ford truck comes equipped with a tilt column. Position the shroud in place and push the shroud into the column so the tab snaps into place.

  • Reattach the negative connection to the battery using the wrench.

References

  • “Ford Pick-ups and Bronco Repair Manual;” Mark Christman and John Haynes; 1996
  • Photo Credit Hemera Technologies/AbleStock.com/Getty Images
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