3rd Gen Toyota Tacoma LED Headlights How To Install

Upgrading to LED projector headlights is one of the best mods you can do for your Toyota Tacoma. In this guide, we’ll walk you through the full installation process based on a real installation video, including grille removal, headlight removal, wiring setup, and fuse connection.

Whether you're upgrading to TRD Pro-style headlights or a full LED projector system, this installation blog will help you finish the job safely and correctly.

Tools You Will Need

10 mm socket

10 mm ratchet

Trim removal tool

Fuse puller (included with your vehicle)

Gloves (optional)

Step 1 — Prepare the Vehicle

🔧 Rotate the Wheel Outward

Turn the front wheel outward to give yourself more room to access the inner fender and bumper clips.

🔧 Open the Hood

Lift the hood and secure it in place.

Step 2 — Remove the Front Grille

1️⃣ Remove Center Bolts

Using a 10 mm socket, remove the two bolts located at the center of the grille.

2️⃣ Remove Grille Clips

Use a trim removal tool to take out the two clips on both sides of the grille.

3️⃣ Disconnect the Sensor Connector

Grip the two clips holding the grille-top sensor connector.
Press and release the connector clip to unplug it.

Once the wiring harness is disconnected, you can now pull the entire grille off the vehicle.

Step 3 — Remove the Bumper & Clips

1️⃣ Remove the Bolt

Use a 10 mm ratchet and trim tool to remove the single bolt securing the bumper.

2️⃣ Release the Side Tab

Use your finger to push the plastic tab up and over the bumper edge.
Gently pull the bumper outward.

3️⃣ Remove the Plastic Clip

Use the trim tool to remove the plastic clip beneath the headlight.

Step 4 — Remove the Headlight Assembly

1️⃣ Disconnect Headlamp Connector

Unplug the main headlight connector. Remove the bottom 10 mm bolt located under the headlight.

2️⃣ Remove Top Bolts

Take out the two 10 mm bolts on top of the headlamp.

3️⃣ Remove the Six Plastic Clips

There are six plastic clips securing the bumper to the vehicle front:

4 clips on the radiator support

1 clip under each headlight

After this, you can safely pull out the entire headlamp.

4️⃣Unplug All Connectors

Disconnect all original wiring from the headlight.

Step 5 — Wiring Instructions

Before installing the headlight back into the vehicle, clean out any dry dust or dirt inside the housing area.

Color-Matched Main Connectors:
Connect the gray, black, and color-matched plugs from the harness to the matching connectors on the headlight.

Other Connectors:
All other connectors are simple plug-and-play.
Two connectors requires no wiring—just leave it plugged in as original.

Step 6 — Fuse Tap Connection

1️⃣Connect the black long-tube harness to the fuse tap.

2️⃣Insert the previously removed 10A fuse into the add-a-fuse harness.

Make sure to secure excess wiring away from:

Hot components

Moving parts

Step 7 — Install Lights Back on the Vehicle

Repeat the same process for the headlight on the other side.

Then reinstall:

1. The headlights

2. All clips

3. The bumper

4. The grille

5. The sensor connector

When everything is plugged back in, the installation is officially complete!

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✅ Final Check

Before closing the hood, test the following:

Low beam

High beam

DRL

Sequential turn signals

Marker lights

Any additional functions your LED headlights include