Where Is the Ford F150 Flasher Relay Located?

Key Takeaways:

  • The Ford F150 flasher relay location varies by model year and trim level. It may be found near the steering column, under the dash, or in the fuse box.
  • For 1997-2003 models, the flasher relay is often located near the steering column on the right side.
  • In 2004-2008 trucks, it’s typically under the dash behind the fuse box cover.
  • For 2009 and newer F150s, check the fuse box under the hood or behind the glovebox.
  • Always consult your owner’s manual for the exact location based on your truck’s year and configuration.
  • Replacing a faulty flasher relay often resolves issues with turn signals, hazard lights, or other flashers not working.

The flasher relay is an important electrical component in your Ford F150 pickup truck. It regulates the blinking function of turn signals, hazard lights, and sometimes other flashers. If your truck’s turn signals have stopped working or blink rapidly, chances are the flasher relay needs to be replaced. But in order to do that, you need to know where to find it!

This comprehensive article will walk you through the various possible flasher relay locations on Ford F150 models from 1997 to today. We’ll provide details on where to check based on your truck’s year, cab style, and drivetrain configuration. You’ll also learn some troubleshooting tips in case your flasher relay goes bad. With the help of this guide, you’ll be able to quickly track down and replace your F150’s flasher relay to get those blinkers flashing again.

Knowing the exact location of the flasher relay can save you time and frustration when troubleshooting electrical problems. This article will arm you with the knowledge to find it fast on your specific truck. Let’s get started!

Where Should I Look for the Flasher Relay on My 1997-2003 Ford F150?

If you have an older eleventh generation F150 from 1997 through 2003, the flasher relay is most likely located on the right side of the steering column. Here are the specifics:

  • Check near the relay block – The relay block is a rectangular plastic box attached to the steering column housing. Carefully remove the relay block cover to access the relays inside. The flasher relay may be among the several relays in this block.
  • Look in the heater section – On some models, there is a heater relay box also attached to the steering column on the right side. Check inside for the flasher relay.
  • Under the driver’s seat – On regular cab F150s, you may find the flasher relay mounted behind a small access panel under the driver’s seat, on the right side.

Always refer to your owner’s manual, as the exact location can vary. Be methodical in your search and you should find the flasher relay in one of these areas.

Where Is the Flasher Relay on 2004-2008 Ford F150 Models?

In the twelfth generation F150 produced for model years 2004 through 2008, Ford moved the flasher relay location. It is now typically found under the dashboard on the right side:

  • Behind the trim panel – Remove the right side dash trim panel and look for a small relay box attached to the underside of the dash, above the hood release lever.
  • Inside the fuse box – On some models, opening the fuse box cover reveals the flasher relay among the fuses and relays inside.
  • Behind the glove box – On F150s with the floor-mounted automatic shifter, check behind the glove box for access to the relay box.

Consult your owner’s manual to pinpoint exactly where Ford located the flasher relay on your specific truck. Use a flashlight to illuminate the relay box.

Where Can I Find the Flasher Relay on My 2009-2014 F150?

The thirteenth generation Ford F150 models made from 2009 to 2014 may have the flasher relay in one of a few possible locations:

  • Under the hood fuse box – Lift the hood and find the power distribution box. Inside you may find a small relay marked “Flasher”.
  • Behind the glove box – As with earlier models, the relay box may be accessed behind the glove compartment.
  • Under the steering column – Some 2009 models retain the traditional positioning near the steering column on the right side.

For exact location details, always check your owner’s manual or a service manual for your truck’s configuration. Reaching the flasher relay may require removal of trim panels or covers.

Where Is the Flasher Relay on 2015 and Newer Ford F150s?

The newest fourteenth generation Ford F150 introduced for the 2015 model year has the following likely flasher relay locations:

  • Under the hood fuse box – As with the previous generation, look for a relay marked “Flasher” inside the power distribution box.
  • Behind the glovebox – Accessing the area behind the glove compartment may reveal a relay block containing the flasher relay.
  • Under the dash – If your truck is equipped with the optional supplemental fuse box, check there for the flasher relay.

While the general locations are similar across years, the exact position varies by cab style, drivetrain, and options. Checking all probable areas systematically is key to locating it.

How Can I Tell if the Flasher Relay Is Bad?

Here are some signs your Ford F150’s flasher relay may be defective:

  • Turn signals do not flash at all
  • Hazards and turn signals flash rapidly
  • Turn signals remain on without flashing
  • One side’s blinkers work but the other side doesn’t
  • The turn signal indicator light flashes quickly
  • Other flashers like the hazard lights malfunction

Any of these symptoms point to a possible bad flasher relay that needs replacement.

What’s the Easiest Way to Replace the Flasher Relay?

Once you’ve located the flasher relay, replacing it is straightforward:

  1. Turn off the engine and remove the key from the ignition.
  2. Disconnect the battery ground cable to avoid sparks or electrical shorts.
  3. Remove any necessary covers or trim panels to access the relay.
  4. Pull the flasher relay straight out of its socket in the relay block.
  5. Insert the new relay, making sure it clicks fully into place.
  6. Reinstall any covers or trim and reconnect the battery cable.
  7. Test that the blinkers, hazards, and other flashers now work normally.

Refer to your Ford F150 repair manual if you need more detailed instructions for your model year. Replacing the flasher relay yourself can save time and money.

Is the Flasher Relay the Same Across All F150 Years?

While the flasher relay location changes across generations, the relay itself serves the same purpose. However, there are some variations:

  • 1997-2003 – 4-pin flasher relay
  • 2004-2008 – 2-pin flasher relay
  • 2009-2014 – Also uses a 2-pin flasher relay
  • 2015-present – Upgraded to a solid-state flasher module

So while the newer trucks use a different relay module, they are interchangeable within those model ranges. Make sure to get the correct part number for your year and cab style.


Whether your 1997 or your 2019 Ford F150’s turn signals are flashing quickly or not at all, chances are a bad flasher relay is the culprit. This article has provided detailed guidance on tracking down the flasher relay location across all generations of the F-150. While its position varies, systematic searching using your truck’s exact specs will lead you to the right component. Replacing the flasher relay is an inexpensive fix that can get your truck’s blinkers blinking brightly again. With the knowledge from this article, you can dive in and get your Ford back on the road


The Editorial Team at AnswerCatch.com brings you insightful and accurate content on a wide range of topics. Our diverse team of talented writers is passionate about providing you with the best possible reading experience.