Installation Guide for 21-23 Toyota GR86 | Subaru BRZ

THIS GUIDE IS FOR
NOTE: Some vehicle require the DRL harness installed for the headlight to function properly.
Do NOT use dielectric or any type of weather sealing grease on connectors or sockets.
Doing so will result in connection problems and will not be covered under warranty. Please click HERE for further explanation.
Table of Contents
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.
INSTALLATION TOOLS


1/4 Ratchet


Power Tool


Metal Panel Popper


Flat Screwdriver


1/4 Extension


Socket
Size NEEDED
NOTE: Whenever using a power tool, please make sure do not overtighten the screws.
PART I - REMOVE HEADLIGHTS
DISCONNECTING THE NEGATIVE BATTERY TERMINAL
Whenever working on your vehicle always start by disconnecting the negative battery terminal.
REMOVE THE FRONT BUMPER
Remove the 4 X 10mm bolts and 3 mounting taps on the upper part of the front bumper.
Take off the plastic cover piece.
Use the panel popper to remove the 3 mounting taps from each side of the front wheel well.
Next, detach the mounting clips located at each corner of the lower underside of the front bumper.
Once the clips have been removed, carefully and gently pull outward from the edge of the bumper to loosen it. Similarly, repeat the process on the other side.
Continue to gently loosen it until you have created enough space to access the headlights bolts.
REMOVE THE HEADLIGHT BOLTS AND CLIPS
Remove the 9 X 10mm bolts and 3 X mounting clips from the headlight assembly.
Please follow the same steps for the other side.
REMOVE THE HEADLIGHTS
Once all the headlight bolts and mounting clips have been removed, exercise caution as you pull the headlight bracket gently outward towards you to detach it.
Please set it aside for later re-installation.
Subsequently, proceed to remove the headlights with care by pulling them gently outward towards yourself. Don’t forget to unplug the headlights’ connector as you proceed.
Please follow the same steps for the other side of the headlights.
PART II - INSTALL HEADLIGHTS
TAP THE FUSE AND ROUTE THE DRL HARNESS
In order for the DRL to function properly, you will need to tap the fuses and route the harness.
Locate the Fuse box from the passenger’s side engine bay and open the cover.
First, tap the GRAY fuse wire into the FUSE IG2 (7.5A)
Next, tap the RED fuse wire into the FUSE D FL DOOR (25A)
Once you’ve completed tapping into the fuses, securely close the fuse box and continue by routing the DRL wire harness.
Grounding the black wire to the body or directly to negative battery lead.
Route the DRL wire towards the other side of the headlights.
TRANSFER THE HEADLIGHT BRACKETS
Transfer the existing headlight brackets to the new ALPHAREX headlights by aligning the mounting holes.
PLUG AND INSTALL THE HEADLIGHTS
Initiate the procedure by first connecting the plug of the headlight, followed by attaching the DRL
connector and the turn signal connector. PLEASE DO NOT USE DIELECTRIC GREASE!
Then, proceed to carefully install the headlights into the vehicle.
Align the mounting holes and firmly tighten the headlight bolts and clips.
Please follow the same steps for the other side of the headlights.
To complete the installation, reverse the uninstallation process, ensuring all previous steps are followed in the opposite order.
TEST THE HEADLIGHT FUNCTIONS
Test the functions of your ALPHAREX headlights to ensure everything works properly.
ADJUST HEADLIGHT LEVEL
Once everything has been tested aim your ALPHAREX headlights by parking 25ft from a wall and level the headlight evenly.
COMPLETE INSTALLATION
Congratulations! you have completed the installation for ALPHAREX 21-23 Toyota GR86 | Subaru BRZ HEADLIGHTS.