FORM tail-light installation: 2010–2024 Toyota 4Runner

For FORM FL0105 Smoked and FL0106 Red tail-light pairs on the 2010–2024 Toyota 4Runner. Use a plastic trim tool, a 10 mm deep socket and a ratchet. Keep the original hardware for reuse.

1. Remove the original lamps

Open the hatch. Release each interior tail-light access panel using the gap shown in the photos. Remove and retain the two 10 mm mounting nuts on each side.

Open the hatch to reach both tail-light access panels.
Open the hatch to reach both tail-light access panels.
Release the interior access panel from its opening.
Release the interior access panel from its opening.
The tail-light access panel removed.
The tail-light access panel removed.
Retain the two 10 mm mounting nuts.
Retain the two 10 mm mounting nuts.

Press the factory connector’s locking tab and unplug it. Support the lamp, push outward from the access gap to release its clips, then pull the assembly straight back.

Release the factory harness connector.
Release the factory harness connector.
Support the lamp and release the mounting clips as shown.
Support the lamp and release the mounting clips as shown.

2. Fit the FORM lamps and connect the wiring

Route the new harness through the opening, align the locating posts and press the lamp into its clips. Secure it with the retained nuts. Plug the new lamp into the factory harness and make sure the connector locks fully.

Route the FORM wiring through the opening.
Route the FORM wiring through the opening.
Seat the replacement lamp in its mounting points.
Seat the replacement lamp in its mounting points.
Connect the FORM harness to the factory plug.
Connect the FORM harness to the factory plug.

Leave the startup connector connected to retain the startup animation, or disconnect that corresponding connector to disable it. Connect the preinstalled resistor as shown. Static or sequential turns are selected at the appropriate lamp connector; follow the lamp markings and test the chosen mode before closing the panels.

The startup-sequence connection point.
The startup-sequence connection point.
FORM connectors, built-in resistors and lighting-mode connection points.
FORM connectors, built-in resistors and lighting-mode connection points.

3. Test every function and refit the panels

Check running lights, both turn signals, brake lights and reverse lights. Confirm both sides are secure and the connectors are locked, then refit the access panels.

Test every rear-light function before refitting trim.
Test every rear-light function before refitting trim.
Refit the interior access panel.
Refit the interior access panel.

Watch the installation

Choose FORM tail lights · Original FORM instructions