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How to Replace the Flasher on a Ford F-150

by Bryan Clark

The flashers, also called blinkers or turn signals, as well as the hazard lights on the Ford F-150 pickup truck are all controlled by one simple relay module. If you have a front or rear flasher that isn't working, chances are you need to replace a simple five-pin relay module located on your steering column. The part costs very little, and replacing it will take just a few minutes of your time.

Step 1

Use a flat-head screwdriver to gently pry the clam-shell door open. The door is located under the instrument panel on the top of the steering column between the instrument panel and the steering wheel.

Step 2

Remove the door and set it in a safe place.

Step 3

Remove the blue five-pin relay from the column by pulling it gently from the plug.

Step 4

Remove the screw from the top of the relay.

Step 5

Replace the screw on the top of the relay.

Step 6

Replace the relay with the new one (part number F65B-13350-AA). Plug the new relay in where you removed the old one.

Close the clam-shell door by lining it up and pressing down until it snaps in place.

Tip

  • This process is the same regardless of your model year. The only thing that's different between models is the location of the relay.

Items you will need

  • Flat-head screwdriver

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