Article

Installation Guide for 17-19 Ford Super Duty F-250/F-350/F-450/F-550 Headlights

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THIS GUIDE IS FOR​

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 2017-2019 Ford Super Duty F-250 / F-350 / F-450 / F-550 step by step.

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

DO NOT USE DIELECTRIC GREASE!

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

Pick Tools
1/4 Ratchet
Metal Panel Popper
Flat Screwdriver
Torx Screwdriver
1/4 Extension
Socket
Size NEEDED
10mm
Socket
(Star Torx)
Size NEEDED
T25

PART I - REMOVE HEADLIGHTS

DISCONNECTING THE NEGATIVE BATTERY TERMINAL

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

 

REMOVE THE RADIATOR SHROUD

Use a panel popper and start by removing (12) plastic push pins that is holding up the radiator shroud

               

 

REMOVE THE GRILLE

Remove the 10mm bolts from the top of the grille.

 

Then, gentle pull the grille outward towards you to loose from all of the mounting points and

remove the front grille. If your truck is equipped with Front View Camera Washer.

Please make sure to unplug the nozzle’s tube and the wiring before removing the grille.

REMOVE THE HEADLIGHT BOLTS

Remove the 10mm bolts and theT25 bolt from each of the headlight housing.

Use a ratchet to remove the top 10mm bolts from the headlight.

Remove the 2 X 10mm bolts and 1 X T25 bolt located on the side of the headlight.

Use an extension to help remove the 10mm bolt from side of the headlight.

Which is located inside of the front fender and the bumper mounts.

Please repeat the same steps for the other side of the headlight.

UNPLUG THE HEADLIGHT WIRING HARNESS

Carefully pull out the headlight and unplug the headlight wiring harness.

Please repeat the same steps for the other side of the headlight.

PART II - INSTALL HEADLIGHTS

ROUTE THE DRL HARNESS

Start routing the DRL wires from the passenger’s side which is the closest to the battery and fuse box. Connect the red wire to battery’s positive terminal and the black wire to

battery’s negative terminal or the 10mm bolt on the frewall.

Route the DRL wires to the both side of the headlights

 

TAP THE FUSE

Open the fuse box and locate the fuse 10A.

 

PLUG AND INSTALL THE HEADLIGHTS

Plug the wires into the new ALPHAREX headlights.

DO NOT USE DIELECTRIC GREASE!

NOTE: IN ORDER FOR THE NEW HEADLIGHTS TO FUNCTION PROPERLY PLEASE FOLLOW THE FOLLOWING STEPS

 

START FROM THE PASSENGER’S SIDE HEADLIGHT

Only plug the truck’sBLACK wire into the new ALPHAREX Headlight’s High/low beam socket. Leave the gray wire unplugged.

FROM THE DRIVER’S SIDE HEADLIGHT

Only plug the truck’s GRAY wire into the new ALPHAREX Headlight’s High/low beam socket. Leave the black wire unplugged.


Plug the turn signal and parking light wires into the new ALPHAREX headlight.

DO NOT USE DIELECTRIC GREASE!

Finish the installation by securing the headlight to the truck.

Please reverse the removal process to complete the installation.

 

 

 

 

TEST THE HEADLIGHT FUNCTIONS

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

 

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.

 

COMPLETE INSTALLATION

Congratulations! you have completed the installation for ALPHAREX 17-19 Ford Super Duty headlights.

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