The 2017-2026 Ford Super Duty LED Center Marker Light adds a brighter, more modern center marker light with an integrated brake light function for improved rear visibility. This installation guide will provide you with detailed instructions on how to install the 2017-2026 Ford Super Duty LED Center Marker Light. Continue reading for step-by-step instructions below!
Table of Contents
Installation Tools
- T30 Torx driver
- Needle nose pliers
- 7mm socket
Installation Instructions
Step 1 — Remove the factory center marker light
Remove the two T30 Torx screws securing the factory center marker light, then pull the light away from the tailgate.

Step 2 — Disconnect the factory connector
From underneath the truck, locate the center marker connector and unplug it by depressing the locking tab.


Step 3 — Route the new red wire
Set the factory marker light aside. Route the red wire from the new center marker light through the opening in the tailgate.

Step 4 — Position the new center marker light
Pull the red wire through as needed, then align the new center marker light in the factory location.

Step 5 — Reinstall the mounting screws
Reinstall the two factory T30 Torx screws to secure the new center marker light.

Step 6 — Plug in the center marker light connector
Reconnect the center marker light connector until it clicks into place.

Step 7 — Route the red wire toward the taillight
Route the red wire over the frame and toward the taillight connector. Secure it away from any moving parts or sharp edges.

Step 8 — Remove the taillight screws
Lower the tailgate, then remove the two 7mm screws securing the taillight.

Step 9 — Remove the taillight
Carefully pull the taillight straight back to release the alignment pins and remove it from the vehicle.

Step 10 — Connect the red wire to the brake light circuit
Unplug the taillight connector. Identify the brake light wire/pin (on the example truck shown, it was pin 2), then use the supplied T-Tap to connect the red wire to the brake light wire.


Step 11 — Test and reassemble
Test for function, then reconnect the taillight connector, reinstall the taillight, and reinstall the two 7mm screws.

The installation is now complete. Enjoy your new 2017-2026 Ford Super Duty LED Center Marker Light!
Questions About the Installation?
If you have any questions about installing the 2017-2026 Ford Super Duty LED Center Marker Light, contact us via our support page.
Where Can I Buy the 2017-2026 Ford Super Duty LED Center Marker Light?
If you're ready to upgrade your 2017-2026 Ford Super Duty with the LED Center Marker Light, visit FormLights.com or use our Dealer Locator to find a dealer near you.
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This Installation Guide is for the following SKU: FL0068


