🔧 F-150 - Headlight Bulb Replacement

You’ll replace the headlight bulbs on both sides by accessing the back of each headlight housing from under the hood. The key is to avoid touching the glass on the new bulbs and to make sure the bulb locks fully into the housing so the beam pattern stays correct.

Difficulty Level: Beginner | Estimated Time: 0.5-1.0 hours

---

⚠️ Safety & Precautions

• ⚠️ Turn the headlight switch OFF and let bulbs cool 10-15 minutes (they get extremely hot).
• ⚠️ Wear gloves and safety glasses; oils from fingers can shorten bulb life.
• ⚠️ Do not touch the glass of the new bulb—handle it by the plastic base only.
• ⚠️ Battery disconnect is not required, but keep metal tools away from the battery terminals.

---

🔧 Required Tools

You'll need the following tools for this repair:

• Nitrile gloves
• Safety glasses
• Small flathead screwdriver
• 8mm socket
• 1/4" drive ratchet
• 1/4" drive extension (3"-6")
• Flashlight
• Clean shop towel

---

🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Headlight bulb (H13/9008 halogen) - Qty: 2
• Dielectric grease (electrical) - Qty: 1

---

📋 Before You Begin

• 📍 Park on level ground, shift to Park, and set the parking brake.
• 🔦 Open the hood and use a flashlight so you can clearly see behind each headlight.
• 🧤 Put on gloves before handling the new bulbs.

---

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Confirm the bulb type before opening packaging

• Use a flashlight to look behind the headlight and read the bulb type on the old bulb base (commonly H13/9008 on your F-150).
• If your replacement bulb doesn’t match what’s installed, stop and don’t force it.

Step 2: Make room if access is tight (optional)

• If your hand can’t reach the bulb comfortably, use an 8mm socket with a 1/4" drive ratchet and extension to loosen/remove the air intake tube/airbox fasteners as needed.
• Use a small flathead screwdriver to loosen any hose clamp that blocks access.
• Only move parts enough to reach the bulb.

Step 3: Disconnect the headlight electrical connector

• Use your hand (or a small flathead screwdriver gently) to release the connector lock tab.
• Pull the connector straight back off the bulb. Don’t pull on the wires.

Step 4: Remove the old bulb from the headlight housing

• Grip the bulb base firmly and rotate it counterclockwise about 1/4 turn (by hand).
• Pull the bulb straight out of the headlight housing.
• Use a flashlight to inspect the housing opening for dirt or moisture.

Step 5: Install the new bulb (do not touch the glass)

• Use nitrile gloves and hold the new bulb by the plastic base only.
• If you accidentally touch the glass, use a clean shop towel to wipe it clean before installing.
• Align the bulb tabs with the housing slots, insert the bulb fully, then rotate clockwise until it locks.
• If it won’t lock, it’s not seated.

Step 6: Reconnect the electrical connector

• Add a tiny smear of dielectric grease to the connector seal (optional but helpful).
• Push the connector on until it clicks/locks into place.

Step 7: Repeat on the other headlight

• Use the same process on the opposite side: disconnect connector, twist bulb out, install new bulb, reconnect.
• Use the flashlight to confirm both connectors are fully seated.

Step 8: Reinstall any intake/airbox parts you moved

• Use an 8mm socket with a 1/4" drive ratchet to re-tighten any fasteners you removed.
• Use a small flathead screwdriver to snug any hose clamps you loosened.

---

✅ After Repair

• ✅ Turn the headlights ON and verify both low beams work.
• ✅ Switch to high beams and confirm both work (on H13 bulbs, the same bulb does both filaments).
• ✅ If a bulb doesn’t light: turn lights OFF, re-check the connector lock and that the bulb is fully twisted/locked in.
• ✅ At night, confirm both beams look even and not aimed oddly (a crooked bulb can throw the pattern off).

---

💰 DIY vs Shop Cost

Shop Cost: ₹800-₹2,000 (parts + labor)

DIY Cost: ₹600-₹1,800 (parts only, depending on bulb brand)

You Save: ₹200-₹800 by doing it yourself!

Local labor rates vary; this is typically a 0.5-1.0 hour job.

---

🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.