Changing the tail light on your Jeep Wrangler might sound complex, but with the right steps, it becomes a straightforward task. Whether you want to upgrade to LED lights or simply replace a broken bulb, doing it yourself can save money and give you a sense of accomplishment. This guide will walk you through the process, highlight what to watch out for, and provide tips to make the job smooth—even for first-timers.
Why Change Your Jeep Wrangler Tail Light?
A working tail light is not just about style; it’s a legal requirement and a major part of road safety. If your tail light fails, you risk accidents and fines. For example, the National Highway Traffic Safety Administration reports that rear-end collisions are often caused by faulty or dim tail lights. Keeping your Jeep’s lighting in top condition is a smart move.
Tools And Materials Needed
Before you start, gather all necessary items. Having everything ready avoids frustration.

- Replacement tail light (check your Jeep’s model year for compatibility)
- Screwdriver (usually Phillips head)
- Socket wrench (may be needed for some models)
- Gloves (optional, for grip and safety)
- Microfiber cloth (for cleaning)

Step-by-step Guide To Changing The Tail Light
The process is similar for most Jeep Wranglers, but there are small differences based on the year and trim. Always check your owner’s manual for specifics.
1. Turn Off The Jeep And Disconnect The Battery
Safety first. Turn off your Jeep and remove the key. If you’re replacing the entire assembly or working with wires, disconnect the negative battery cable. This prevents accidental short circuits.
2. Locate And Remove The Screws
Open your tailgate to access the tail light screws. Most Wranglers have two screws on the inside edge of the tail light. Use a Phillips screwdriver to remove them. Set the screws aside safely.
3. Pull Out The Tail Light Assembly
Gently pull the tail light assembly away from the Jeep. It should slide out easily.
Be careful not to tug on the wires.
4. Disconnect The Wiring Harness
Find the wiring harness at the back of the assembly. Press the release tab and pull it out. Some models may have a secondary clip for added security.
5. Replace The Tail Light Or Bulb
If you’re replacing just the bulb, twist the bulb socket counterclockwise to remove it. Swap out the old bulb for a new one, making sure not to touch the glass with your fingers (oils can shorten the bulb’s life).
If you’re replacing the whole assembly, position the new tail light and connect the wiring harness.
6. Reinstall The Assembly
Carefully push the assembly back into place. Line up the screw holes and reinstall the screws.
Make sure the tail light sits flush with the body.
7. Test The Tail Light
Reconnect the battery if it was disconnected. Turn on your Jeep and test the tail light, brake light, and turn signals.
Check for any flickering or warning lights on your dashboard.
Comparison: Oem Vs Aftermarket Tail Lights
Choosing the right tail light matters. Here’s a quick comparison to help you decide:
| Feature | OEM Tail Light | Aftermarket Tail Light |
|---|---|---|
| Fit and Finish | Perfect match | Varies by brand |
| Warranty | Often included | May be limited |
| Cost | Higher | Usually lower |
| Customization | Stock look | More styles (e.g., LED, smoked lens) |

Common Mistakes To Avoid
Even a simple task like this has pitfalls. Here are mistakes beginners often make:
- Forgetting to disconnect the battery. This can cause electrical shorts.
- Losing screws or dropping them inside the tailgate.
- Touching the new bulb’s glass with bare hands, which can shorten its life.
- Buying the wrong part. Always double-check your Jeep’s year and trim.
How To Choose The Right Replacement Tail Light
Not all tail lights are the same. Consider these factors before buying:
| Factor | Why It Matters |
|---|---|
| Model Year | Wrangler parts change frequently; wrong year won’t fit |
| Light Type | LED lasts longer and is brighter than halogen |
| Certification | Look for DOT/SAE approval for street use |
| Weather Resistance | Choose tail lights rated for water and dust protection |
Real-world Example
Let’s say you drive a 2018 Jeep Wrangler JL. You notice the right tail light isn’t working. You remove the two screws with a Phillips screwdriver, disconnect the wiring harness, and install a new LED tail light. The whole process takes about 15 minutes. After testing, you see brighter, more responsive lights and avoid a potential ticket.
Pro Tips For A Smooth Replacement
- Take a photo of the wiring before disconnecting anything. This helps during reinstallation.
- Clean the area around the tail light before installing the new one. Dirt can affect the seal and lead to moisture inside the lens.
- If you upgrade to LED tail lights, some older models may need a resistor or a quick flash module to prevent hyper-flashing.
- Always keep spare bulbs and basic tools in your Jeep for emergencies.
When To Ask For Professional Help
While most tail light replacements are DIY-friendly, consider a mechanic if:
- You see corrosion or damaged wiring.
- The new tail light doesn’t fit correctly.
- The dashboard shows persistent warning lights after installation.
For more details about vehicle lighting standards, check the NHTSA Lighting Requirements.
Frequently Asked Questions
What Size Bulb Does A Jeep Wrangler Tail Light Use?
Most recent models use a 3157 or 3156 bulb, but always check your owner’s manual for the exact type.
How Long Does It Take To Change A Jeep Wrangler Tail Light?
On average, it takes 10–20 minutes if you have the right tools and part.
Can I Upgrade To Led Tail Lights?
Yes. LED tail lights offer better brightness and last longer. Just ensure they are compatible with your Jeep’s year and wiring.
Do I Need To Program The New Tail Light?
For most replacements, no programming is needed. However, some advanced LED lights may require a quick flash module.
Will Changing My Tail Light Void My Jeep’s Warranty?
Replacing with OEM or DOT-approved aftermarket parts usually does not void the warranty. Always keep your receipts and records.
Changing your Jeep Wrangler’s tail light is a quick, rewarding project that boosts safety and style. With the right steps and a bit of patience, you can tackle this repair confidently.





















