ALPHAREX F-250 Headlights Ford Super Duty Installation Guide

June 13, 2024
ALPHAREX

Installation Guide for 08-10 FORD SUPER DUTY
F-250 / F-350 / F-450 / F-550 Headlights

F-250 Headlights Ford Super Duty

ALPHAREX F-250 Headlights Ford Super DutyALPHAREX specializes in designing and producing superior and uniquely stylish aftermarket automotive performance lighting with unravel innovative technology. The following installation guide we take you through the installation of your new ALPHAREX HEADLIGHTS for your 2008-10 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.
Disclaimer: This installation article is a tutorial guide. By reading this article, you agree it is for reference only and Alpha Rex USA and its distributors make no guarantee on the finished results. Under no circumstances whatsoever shall Alpha Rex 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

INSTALLATION TOOLS
PREPARE THESE TOOLS FOR INSTALLATION

ALPHAREX F-250 Headlights Ford Super Duty - TOOLS

STEP 1. DISCONNECTING THE NEGATIVE BATTERY TERMINAL
Whenever working on your vehicle always start by disconnecting the negative battery terminal.

ALPHAREX F-250 Headlights Ford Super Duty - Fig1

STEP 2. REMOVE HEADLIGHT BOLTS
First, open the hood and start by removing the 4 X 7mm bolts from each headlight. (1 bolt on the top, 2 bolts on the side and 1 bolt at the bottom)

ALPHAREX F-250 Headlights Ford Super Duty - Fig2

Next, carefully pull forward the headlight and unplug the lights sockets for the headlight removal. Please follow the same steps for the other side.

ALPHAREX F-250 Headlights Ford Super Duty - Fig3ALPHAREX F-250 Headlights Ford Super Duty -
Fig4

PART II INSTALL HEADLIGHTS

STEP 1. ROUTE THE DRL HARNESS

Route the daytime running lights harness to the two headlights.
Start at the passenger side which is closest to the trucks battery.

ALPHAREX F-250 Headlights Ford Super Duty - Fig6ALPHAREX F-250 Headlights Ford Super Duty -
Fig7

STEP 2. TAP THE FUSE
Crimp the gray wire from the daytime running lights harness to the fuse tap.

ALPHAREX F-250 Headlights Ford Super Duty - Fig8

Go to the fuse box and tap into any of the highlighted fuse.

ALPHAREX F-250 Headlights Ford Super Duty - Fig9

Connect the red wire to the battery positive terminal and the black wire to the battery negative terminal.

ALPHAREX F-250 Headlights Ford Super Duty - Fig10

STEP 3. PLUG AND INSTALL HEADLIGHTS
Connect low/ high beam, daytime running lights and turn signal wiring harnesses to the new ALPHAREX headlight.

ALPHAREX F-250 Headlights Ford Super Duty - Fig11

Then finish the installation by securing the headlight to the truck. Repeat the previous steps for the opposite side headlight for installation.

ALPHAREX F-250 Headlights Ford Super Duty - Fig12

STEP 4. TEST THE HEADLIGHT FUNCTIONS
Test the functions of your ALPHAREX headlights to ensure everything works properly.

ALPHAREX F-250 Headlights Ford Super Duty - Fig13

STEP 5. ADJUST HEADLIGHT LEVEL
Once everything has been tested aim your ALPHAREX headlights by parking 25ft from a wall and level the headlight beams evenly.
Turn clockwise: to lower the light
Turn counterclockwise: to raise the light

ALPHAREX F-250 Headlights Ford Super Duty - Fig14

S TEP 6. COMPLETE INSTALLATION
Congratulations! you have completed the installation for ALPHAREX 08-10 Ford Super Duty F-250 / F-350 / F-450 / F-550 headlights.

ALPHAREX F-250 Headlights Ford Super Duty - Fig15

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