🔧 Equinox - Taillight Bulb Replacement

This job replaces the rear taillight bulbs by removing each rear lamp housing, swapping the bulb(s), then reinstalling the lamp. On your Equinox, the outer rear lamp assemblies are held in with nuts accessed when the liftgate is open.

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

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⚠️ Safety & Precautions

• ⚠️ Turn ignition OFF and turn all exterior lights OFF before starting.
• ⚠️ Let bulbs cool before touching; they can be very hot.
• ⚠️ Wear gloves and avoid touching the bulb glass with bare fingers.
• ⚠️ Support the lamp housing as you pull it out so it doesn’t scratch paint.
• Battery disconnect is not required for this repair.

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm socket
• 1/4" ratchet
• 6" socket extension
• Trim panel tool
• Nitrile gloves
• Safety glasses
• Inch-pound torque wrench

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear stop/tail light bulb (typically 3157) - Qty: 2

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📋 Before You Begin

• Park on level ground and shift to Park.
• Open the liftgate for access to the rear lamp mounting nuts.
• Tip: Replace bulbs in pairs for even brightness.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Access the taillight fasteners

• Open the liftgate.
• Look at the inboard edge of the taillight (the edge closest to the liftgate opening).
• Remove any small access covers using a trim panel tool.

Step 2: Remove the taillight assembly

• Use a 10mm socket, 6" socket extension, and 1/4" ratchet to remove the two mounting nuts.
• Hold the lamp with your other hand as the last nut comes off.
• Pull the taillight straight rearward to release the locating pins.
• Tip: Wiggle gently; don’t pry against paint.

Step 3: Remove and replace the bulb

• Locate the stop/tail bulb socket (usually the larger socket).
• Twist the socket counterclockwise by hand and remove it from the lamp.
• Pull the old bulb straight out using nitrile gloves.
• Push the new bulb straight in until fully seated.

Step 4: Reinstall the bulb socket and taillight assembly

• Insert the socket back into the lamp and twist clockwise until it locks.
• Line up the locating pins and push the taillight into place.
• Install the two nuts by hand first, then tighten with a 10mm socket.
• If using a torque wrench, tighten the lamp nuts to Torque to 3 N·m (27 in-lbs).
• Reinstall any access covers using a trim panel tool.

Step 5: Repeat on the other side

• Repeat Steps 1-4 for the other rear taillight.

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✅ After Repair

• Turn the lights ON and confirm both taillights illuminate.
• Press the brake pedal (or have a helper press it) and confirm both brake lights work.
• Confirm the lamp housings sit flush and don’t wobble.

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💰 DIY vs Shop Cost

Shop Cost: ₹1,500-₹4,000 (parts + labor)

DIY Cost: ₹300-₹1,200 (parts only)

You Save: ₹1,200-₹2,800 by doing it yourself!

Shop labor rates vary; this repair typically takes a shop about 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.