🔧 Colorado - Headlight Bulb Replacement

On your Colorado, each headlight housing typically has a low-beam bulb and a high-beam bulb. Replacing them is mostly an access job: you’ll reach behind the headlight, twist the bulb socket out, swap bulbs, and reinstall.

Quick question (so I list the exact bulbs): Are you replacing low beams (usually H11), high beams (usually 9005), or both?

Difficulty Level: Beginner | Estimated Time: 0.5-1.5 hours

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⚠️ Safety & Precautions

• ⚠️ Let the headlights cool fully before touching the back of the housing.
• ⚠️ Wear gloves and do not touch the new bulb glass with bare fingers (skin oils shorten bulb life).
• ⚠️ Turn the headlight switch OFF and remove the key before starting.
• ⚠️ If you remove the battery negative cable, use a 10mm wrench and keep it from springing back.

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🔧 Required Tools

You'll need the following tools for this repair:

• Nitrile gloves
• Safety glasses
• Flashlight
• Trim clip removal tool
• Flathead screwdriver
• 8mm socket
• 10mm socket
• 1/4" ratchet
• 6" extension (1/4" drive)

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Low beam headlight bulb (usually H11) - Qty: 2
• High beam headlight bulb (usually 9005) - Qty: 2

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📋 Before You Begin

• Park on level ground, set the parking brake, and turn the lights OFF.
• Open the hood and use a flashlight to find the rear of each headlight housing.
• If access is tight on one side, be ready to remove a nearby intake duct/air box fastener(s) using an 8mm socket and trim clip removal tool.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Confirm which bulb you’re replacing (low vs high)

• From behind the headlight, identify the bulb you’re changing (there are usually two twist-lock bulb sockets).
• Low beam is commonly H11; high beam is commonly 9005. Match the new bulb to the old one before installing.

Step 2: Create working room (only if your hand won’t fit)

• If an intake snorkel/duct is in the way, remove push-clips using a trim clip removal tool.
• Loosen any duct clamp(s) using an 8mm socket or flathead screwdriver and move the duct slightly aside.
• Tip: Don’t force your wrist—make room first.

Step 3: Remove the bulb from the headlight housing

• Reach behind the headlight and grip the bulb socket.
• Twist the bulb socket counterclockwise about 1/8–1/4 turn by hand, then pull it straight out.
• If there’s an electrical connector: press the lock tab and unplug it (use a flathead screwdriver gently if needed).

Step 4: Install the new bulb

• Put on nitrile gloves before handling the new bulb.
• Plug the electrical connector into the new bulb until it clicks.
• Insert the bulb into the housing, align the tabs, and twist clockwise until it locks.
• Tip: If it won’t lock, it’s not aligned.

Step 5: Repeat on the other side

• Perform the same remove-and-replace steps on the other headlight.
• If you’re replacing both low and high beams, do one bulb at a time so nothing gets mixed up.

Step 6: Reinstall any ducts/clips you moved

• Reposition the intake duct and tighten clamp(s) using an 8mm socket or flathead screwdriver.
• Reinstall push-clips by pressing them in by hand (use the trim clip removal tool to line them up if needed).

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✅ After Repair

• Turn the headlights ON and verify: low beams, high beams, and both sides work.
• If a bulb does not light: turn lights OFF, re-check the connector is fully seated, and confirm the bulb is locked in place.
• Aim check: park ~25 feet from a wall and make sure both low-beam patterns look even.

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💰 DIY vs Shop Cost

Shop Cost: $120-$300 (parts + labor)

DIY Cost: $30-$140 (parts only, depending on bulb type)

You Save: $90-$160 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.5-1.0 hours.

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🎯 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.