Installation Guide——Flush Mount Tail Lights for Jeep Wrangler JL (2018+)

🚗 Upgrade Your Jeep Wrangler JL: Complete Flush Mount Tail Light Installation Guide

If you’re looking for an easy and effective way to upgrade the rear appearance and visibility of your Jeep Wrangler JL (2018+), these Flush Mount Tail Lights are a practical yet stylish choice. They not only enhance the overall look of your Jeep, but their low-profile design also helps reduce the risk of damage during off-road adventures.

Product Featured in This Guide: Flush Mount Tail Lights for Jeep Wrangler JL (2018+)

🔧 Why Choose Flush Mount Tail Lights?

Compared to factory tail lights, Flush Mount LED tail lights offer several key advantages:

• Low-Profile Design: Sits closer to the body, reducing the risk of scratches or impact damage while off-roading.

• High-Brightness LEDs: Improves visibility for brake lights, turn signals, and reverse lights, enhancing driving safety.

• Clean, Modern Look: A sleeker and more aggressive appearance that perfectly matches a modified Jeep style.

• Plug & Play Installation: Designed to work with the factory wiring harness for a quick and easy install.

These upgrades deliver both performance and visual appeal, making them a high-value modification for Wrangler JL owners.

🎥 Installation & Review by Truax Off-Road

We’re excited to collaborate with @Truax Off-Road, a popular YouTube creator in the Jeep community, who provides a hands-on review and step-by-step installation guide for these slim-profile Jeep tail lights.

🛠 Installation Preparation

Before starting the installation, make sure to:

✔ Park the vehicle on a flat, safe surface
✔ Turn off the engine and remove the key
✔ Prepare basic tools such as screwdrivers and a wrench

Most Flush Mount tail lights are designed for direct plug-and-play installation, with no cutting, splicing, or soldering required.

📍 Step-by-Step Installation Guide

1️⃣ Remove the Factory Tail Lights

• Tail Light Mounting Screw Location

• Remove the mounting screws from the edge of the tail light.

• Carefully pull the tail light assembly outward.

• Disconnect the factory wiring harness.

• Remove the external resistor.

• Remove the mounting bracket from the old tail light (3 screws).

⏱ Estimated time: 5–10 minutes

2️⃣ Prepare the New Tail Lights

• Unbox the new tail lights and confirm all parts are included.

• Transfer the factory mounting bracket to the new tail light.

• Take out the included external resistor mounting bracket.

• Secure the external resistor to the bracket.

3️⃣ Connect the Wiring Harness

• Plug the new tail light connector into the factory wiring harness.

• Our product features a Plug & Play design, requiring no additional wiring.

• Ensure all connections are secure to prevent flickering or malfunction.

4️⃣ Install and Secure the Tail Lights

• Position the tail light into the factory mounting location.

• Make sure it sits flush with the vehicle body.

• Reinstall and tighten the mounting screws (do not overtighten).

⏱ Estimated time: 10–15 minutes

5️⃣ Function Test

Turn the vehicle power on (engine start not required).

Your brand-new, slim-profile JL tail lights are now installed!

Test all lighting functions:

✔ Running lights
✔ Brake lights
✔ Left & right turn signals

✔ Reverse lights

If any function doesn’t work properly, recheck the wiring connections.

🚀 Installation Tips

✔ If your vehicle is equipped with blind spot monitoring or rear cross-traffic sensors, additional adjustment or calibration may be required.
✔ Ensure all seals and gaskets are properly seated to prevent water intrusion.
✔ If warning lights or errors appear after installation, a diagnostic tool such as Tazer or OBD may help reset the system.

🎉 Final Thoughts

Once installed, your Jeep Wrangler JL will instantly look cleaner, more aggressive, and more refined. Visibility is significantly improved at night and during braking, adding both safety and style. This simple upgrade delivers a noticeable transformation with minimal installation effort.

If you’re still deciding whether to upgrade your tail lights, we hope this guide helps you make the right choice 😉