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Ford Flex Cargo Area Light Bulbs Replacement Guide
How to change a burnt out cargo area light bulb in a 1st generation 2009 to 2019 Ford Flex crossover SUV.

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2019 Flex Cargo Area
Cargo Area Light Housing
This automotive maintenance tutorial was specifically written to assist owners of the first generation (2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 & 2019) Ford Flex crossover SUV in changing a burnt out cargo area light bulb located in the overhead housing attached to the headliner above the third row of passenger seats.

Owners of other Ford or Lincoln vehicle such as the Explorer, Fiesta, Focus, Fusion, C-Max, Mustang, Taurus, EcoSport, Escape, Edge, Expedition, Transit Connect, F-150, Ranger, MKZ, MKC, Navigator, MKX and Continental may also find these DIY instructions to be helpful.

The replacement festoon style light bulb is part number 578.

If you would like to have brighter cargo area lights, install some compatible 578 LED festoon bulbs.

The only tool needed to access and replace the bulbs is a plastic pry bar tool or a flathead screwdriver.


Pry Off Lens Cover
Using Large Screwdriver
Insert the blade of the plastic pry bar tool in between the rear edge of the lens cover and the headliner.

Gently pry off the lens cover.

You may need to re-insert the tool in several locations to loosen the cover.

Try to avoid using excessive force.

The lens cover should pop off relatively easily.

Lens Cover Removed
Three Light Bulbs
Set the lens cover aside in a safe place.

Once the cover is off, you'll be able to see the cargo area light in the center and the two third row passenger courtesy reading lights.

Pull Out Old Light Bulb
PLW 578 Bulb
If the old light bulb was recently turned on, it might still be hot enough to burn your fingers.

So be careful when you remove the old light bulbs.

The two courtesy reading light bulbs on the outer edges of the housing can easily be removed with just your fingers.

To remove the cargo area light bulb in the center of the housing, you may need to pry it out with the plastic trim removal tool.


Empty Bulb Socket
Test New Light Bulb
The original OEM light bulb was marked as part number PLW 578.

Push a new number 578 light bulb straight into the socket.

If you would like to have brighter cargo area lights, install some compatible 578 LED bulbs.

Snap On Lens Cover
Testing New Bulbs
Line up the lens cover and gently pop it back into place.

To test the new courtesy reading light bulbs, move the rocker switches to the "On" position.

To test the new cargo area light bulb, open the tailgate door or press the "Unlock" button to re-activate the interior lights.

Be sure to record the bulb change in your vehicle's service records.

Please check out all of my Ford Flex DIY Repair & Maintenance Guides.

If you found this guide to be helpful, please consider making a small donation by clicking on the "Donate" button located to the right of this paragraph. Thank you!
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