🔧 Taillight Bulbs - Bulb Replacement

Assumes you mean both rear combination lamp bulbs on your Tacoma. This is a simple job: remove each taillight assembly, twist out the bulb socket, and swap the bulbs. Be careful with the plastic lens and gasket so you don’t crack anything or create a water leak.

Difficulty Level: Beginner | Estimated Time: 0.5-1 hour

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⚠️ Safety & Precautions

• Turn the ignition off and remove the key before starting.
• Let the bulbs cool first if the lights were on recently. Bulbs can get very hot.
• Do not touch the glass part of the new bulb with bare fingers. Oil from your skin shortens bulb life.
• Work carefully around the taillight lens tabs and gasket to avoid breaking the housing or causing a leak.

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm socket
• Ratchet
• Short extension
• Trim panel tool (plastic pry tool)
• Gloves
• Safety glasses

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Taillight bulb - Qty: 2
• Bulb socket seal or gasket - Qty: 2

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📋 Before You Begin

• Park on level ground and set the parking brake.
• Turn the light switch off.
• If one side is out, replace both bulbs so the brightness matches.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Open the tailgate

• Lower the tailgate so you can reach the taillight fasteners.
• Look inside the bed side behind each taillight housing.

Step 2: Remove the taillight assembly

• Use a 10mm socket, ratchet, and short extension to remove the taillight mounting bolts.
• Pull the taillight straight rearward to release the locating pins.
• Do not twist the lens side-to-side.

Step 3: Disconnect the bulb holder

• Rotate the bulb socket counterclockwise by hand to unlock it from the housing.
• Pull the socket straight out.

Step 4: Replace the bulb

• Remove the old bulb from the socket.
• Install the new bulb firmly into the socket.
• Make sure it is fully seated and straight.
• Use gloves to keep the glass clean.

Step 5: Reinstall the socket and taillight

• Insert the socket back into the taillight housing.
• Rotate it clockwise until it locks.
• Align the taillight pins with the body holes and press it into place.
• Use the 10mm socket, ratchet, and short extension to reinstall the mounting bolts.
• Torque to 7 Nm (62 in-lbs).

Step 6: Repeat on the other side

• Perform the same steps for the opposite taillight bulb.

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✅ After Repair

• Turn on the parking lights and brake lights to confirm both bulbs work.
• Check the turn signals and hazards if the bulb shares that function.
• Make sure both taillight lenses sit flush and there is no gap.
• Check for a water leak after the next rain or wash.

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💰 DIY vs Shop Cost

Shop Cost: $90-$180 (parts + labor)

DIY Cost: $20-$50 (parts only)

You Save: $70-$130 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.5-1 hour.

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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.