ALPHAREX specializes in designing and producing superior and uniquely stylish aftermarket automotive performance lighting with unrival innovative technology. The following installation guide we take you through the installation of your new ALPHAREX HEADLIGHTS for your 14-19 Lexus GX 460 step by step.

NOTE: Some vehicle require the DRL harness installed for the headlight to function properly.

Disclaimer: This installation article is a tutorial guide. By reading this article, you agree it is for reference only and AlphaRex USA and its distributors make no guarantee on the finished results. Under no circumstances whatsoever shall AlphaRex USA nor its distributors be liable for any damage, misuse or personal injuries. If you do not fully understand the installation procedure, it is highly recommended that you seek help from professional mechanics to do the installation.


PART I - REMOVE HEADLIGHTS

Step 1: DISCONNECTING THE NEGATIVE BATTERY TERMINAL

Whenever working on your vehicle always start by disconnecting the negative battery terminal.

Step 2: REMOVE THE FRONT BUMPER BOLTS

Remove the clips that are holding the top plastic cover.

Remove the 2 X 10mm bolts from each side of the wheel well.

Remove the bolts that are holding the front grille and the front bumper.

Gently lift each side of the bumper to release and pull it forward towards you to remove the front bumper.

Step 3: UNPLUG THE WIRINGS AND THE WASHER SPRAY NOZZLES

Before the bumper removal, please make sure that the turn signal sockets, washer spray nozzles, and the fog light wirings are unplugged.

Step 4: REMOVE THE FRONT BUMPER

Once the wirings and nozzles are unplugged, you are okay to remove the bumper completely and set it aside for later reinstallation.

Step 5: REMOVE HEADLIGHT BOLTS

Remove 2 X 10mm bolts on top of the headlight.

Use extension to remove 1 X 10mm bolt from the side of the headlight.

Remove 1 X 10mm bolt from the side of the headlight (by the fender & bumper mount bracket).

Step 6: REMOVE THE HEADLIGHTS

After the headlight bolts are removed, gently pull the headlight outward to release.

Unplug the wirings and remove the headlight.

Please follow the same procedure for the other side of the headlight.


PART II - INSTALL HEADLIGHTS

Step 7: INSTALL ALPHAREX HEADLIGHTS

Plug the light connectors to the new ALPHAREX headlights.

Position the new ALPHAREX headlights to the vehicle and tighten the bolts.

Reinstall the front bumper to proceed to the next step for pluggin the wirings.

Step 8: PLUG THE WIRINGS & THE WASHER SPRAY NOZZLES

After the headlights and bumper are installed to the vehicle, it is time to plug the wirings, the washer spray nozzles and the attached ALPHAREX headlight’s turn signal wiring.

Step 9: PLUG THE TURN SIGNAL SOCKET

  • First, plug the ALPHAREX headlight turn signal wiring socket to the vehicle’s turn signal lamp.
  • Then plug the other end to the vehicle’s turn signal socket.
  • Please follow the same process for the other side of the headlight to complete installation
  • Step 10: TEST THE HEADLIGHT FUNCTIONS

    Test the functions of your ALPHAREX headlights to ensure everything works properly.

    Step 11: ADJUST HEADLIGHT LEVEL

    After headlights installation is complete. You will next aim the headlight at about 25ft against a wall on a level surface.

    Clockwise to lower the level

    Counterclockwise to raise the level

    Please follow the same procedure for the other headlight.

    Step 12: COMPLETE INSTALLATION

    Congratulations! you have completed the installation for ALPHAREX 14-19 Lexus GX460 Headlights