How to Replace Front Turn Signal Bulbs on a 2018 Dodge Challenger (Bulb vs LED)
Step-by-step access tips, required tools/parts, and troubleshooting for fast-flash or LED headlamp assemblies for 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
How to Replace Front Turn Signal Bulbs on a 2018 Dodge Challenger (Bulb vs LED)
Step-by-step access tips, required tools/parts, and troubleshooting for fast-flash or LED headlamp assemblies for 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
đź”§ Challenger - Front Turn Signal Light Repair
On your Challenger, the front turn signal may be a traditional replaceable bulb (twist-out socket at the back of the headlamp) or an LED module built into the headlamp (not a normal “bulb”). The first step is identifying which style you have so you don’t buy the wrong parts.
Difficulty Level: Beginner | Estimated Time: 0.3-1.0 hours
⚠️ Safety & Precautions
- đź§Ż Turn ignition OFF and remove the key before working near the fan belts and wiring.
- 🔥 If you recently drove, let the engine bay cool so you don’t burn your hands.
- 🧤 Do not touch a halogen bulb’s glass with bare fingers (skin oil can shorten bulb life).
- 🔋 Battery disconnect is not required for a simple bulb swap.
đź”§ Required Tools
You'll need the following tools for this repair:
- Safety glasses
- Nitrile gloves
- 10mm socket
- 1/4" ratchet
- 6" socket extension
- Trim clip removal tool
- Flashlight
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Front turn signal bulb (amber) - Qty: 1 or 2 (match the bulb you remove)
- Front headlamp assembly (if turn signal is LED/non-serviceable) - Qty: 1 (left or right, as needed)
- Dielectric grease (small packet) - Qty: 1
đź“‹ Before You Begin
- Park on level ground, set the parking brake, and open the hood.
- Turn the lights OFF and make sure the turn signal switch is centered (not flashing).
- Have a flashlight ready so you can see the rear of the headlamp.
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Identify whether it’s a bulb or LED module
- Use a flashlight and look behind the headlamp from the engine bay.
- If you see a round plastic socket with wiring going into it, that’s usually a twist-out bulb socket (replaceable bulb).
- If there is no twist socket for the turn signal and the signal appears as a strip/shape inside the headlamp, it’s typically an LED module (often not a bulb swap).
Step 2A: Bulb-style turn signal — access the turn signal socket
- On the side with tight space, remove any air intake/cover pieces blocking your hand access.
- Use a 10mm socket, 1/4" ratchet, and 6" extension to remove any 10mm fasteners holding the cover/ducting.
- If there are plastic push-clips, pop them out with a trim clip removal tool.
- Tip: Set clips/bolts in a cup.
Step 3A: Remove the turn signal bulb socket
- Put on nitrile gloves.
- Grip the turn signal socket at the rear of the headlamp and rotate it counterclockwise by hand to unlock it.
- Pull the socket straight out.
Step 4A: Replace the bulb
- Remove the bulb from the socket (most pull straight out; some require a slight twist).
- Install the new amber bulb into the socket the same way it came out.
- Apply a tiny smear of dielectric grease to the socket seal if it looks dry.
- Tip: Don’t force it—align the tabs.
Step 5A: Reinstall socket and any removed covers
- Insert the socket back into the headlamp, then twist clockwise to lock.
- Reinstall any covers/ducting you moved using the 10mm socket and 1/4" ratchet.
- If you removed push-clips, press them back in by hand after lining them up.
Step 2B: LED-style turn signal — what replacement looks like
- If your turn signal is an LED inside the headlamp with no bulb socket, the “bulb” is typically not serviceable by itself.
- The usual fix is replacing the headlamp assembly on the failed side.
- If you tell me whether your headlamps are halogen/HID/LED and which side is out, I’ll give you the exact headlamp removal steps for your setup.
âś… After Repair
- Turn the ignition to RUN and test the left and right turn signals and hazards.
- If the turn signal “fast flashes,” remove the socket and re-seat the bulb and connector.
- Verify the bulb is amber and matches the base/locking style of the old one.
đź’° DIY vs Shop Cost
Shop Cost: $80-$180 (bulb) / $900-$1,900 (headlamp assembly, if LED)
DIY Cost: $10-$40 (bulb) / $650-$1,500 (headlamp assembly)
You Save: $70-$140 (bulb) / $250-$600 (headlamp assembly) by doing it yourself!
Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.3-1.0 hours.
🎯 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.


















