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How to Replace a Turn Signal Bulb in a Ford Focus

Updated February 21, 2017

The Focus, Ford's entry-level economy car, was introduced in 2000. Indicators, which are sometimes called directional indicators or indicators, are included as standard equipment on your Focus, as they are in all street-legal cars. Check the indicator bulbs on your Focus frequently and replace burnt-out bulbs immediately. You can change the bulb in just a few minutes with regular tools.

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  1. Purchase a replacement bulb. According to the Ford Owner's Guide for the 2000 Focus, the replacement bulb for front or rear directional indicators is the 3157K. Check your owner's guide for the correct replacement bulb if you own a newer Focus.

  2. Make sure your lights are turned off. Open the bonnet to replace a front indicator bulb. Twist the socket on the indicator light assembly at the front of the engine bay in a counterclockwise direction. Pull the socket from the light assembly.

  3. Pull the bulb straight out of the indicator socket and discard it. Push the new bulb into the socket receptacle. Push the socket back into the indicator light assembly, lining up the tabs in the socket with the slots in the light assembly. Turn the socket in a clockwise direction until it locks into place. Close the bonnet.

  4. Open the tailgate to replace a rear indicator bulb in hatchback models. Turn the thumb nut on the inside tail light cover in a counterclockwise direction, and set it aside. Remove the holding screw with a Philips-head screwdriver in a counterclockwise direction. Set the screw and cover aside.

  5. Twist the light socket fully in a counterclockwise direction, and pull it from the light assembly. Pull the bulb from the socket and replace it. Push a new bulb into its place, and twist the socket back into the light assembly. Push the cover into place, and replace the thumb nut and Philips screw in a clockwise direction. Close the tailgate.

  6. Open the boot lid to replace a rear indicator bulb on sedan models. Remove the three wing nuts on the tail light assembly from the inside of the boot compartment in a counterclockwise direction.

  7. Pull the light assembly away from the car from the outside of the vehicle. Remove the socket, and replace the bulb in the same fashion as above. Push the rear tail light assembly back into place, and reattach the wing nuts from inside the boot compartment in a clockwise direction. Close the boot.

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Things You'll Need

  • Philips screwdriver
  • Replacement indicator bulb

About the Author

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