What is the low beam headlight bulb size for a 1999 Jeep TJ?

The 1999 Jeep TJ uses a H6024 LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 1999 Jeep TJ?

The high beam bulb size for the 1999 Jeep TJ is H6024 LED.

Why are my 1999 Jeep TJ headlights dim?

Dim headlights on a 1999 Jeep TJ can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H6024 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1999 Jeep TJ fog light?

The 1999 Jeep TJ uses a H3 LED bulb for the fog light position.

Is the 1999 Jeep TJ single or dual beam?

The 1999 Jeep TJ uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Can I install LED bulbs on my 1999 Jeep TJ?

Yes, the 1999 Jeep TJ comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H6024 LED LED conversion kit for the low beams.

Does the 1999 Jeep TJ have fog lights?

Yes, the 1999 Jeep TJ takes a H3 LED bulb for the fog light position.

How do I change the headlight on a 1999 Jeep TJ?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old H6024 LED bulb counter-clockwise to remove it, then insert the new bulb and reassemble. Note: Jeep vehicles use a CANbus system, so LED replacements may need an anti-flicker decoder. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 1999 Jeep TJ?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved H6024 LED LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 1999 Jeep TJ headlights?

A pair of halogen H6024 LED bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 1999 Jeep TJ?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the H6024 LED position are available as direct plug-and-play replacements. Since the Jeep uses CANbus monitoring, choose a CANbus-compatible LED kit to avoid dashboard errors.

This vehicle is part of the 1997–1999 Jeep TJ generation. All models in this range share identical light bulb sizes.

Fitment Guaranteed for 1999 Jeep TJ

What Size Bulbs Does a 1999 Jeep TJ Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Easy (Plug and Play)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

What Lighting System Does the 1999 Jeep TJ Have?

The 1999 Jeep TJ utilizes a refined lighting configuration featuring 11 distinct bulb positions. It features an extensive lighting system powered by a halogen-based setup where a single H6024 LED dual-filament bulb handles both low and high beam duties within the same reflector. This model belongs to the early years of the TJ's 1997-2006 production span. Note that Jeep vehicles typically feature a CANbus electrical monitor that checks for specific bulb resistance.

LED Flicker Warning

This vehicle is known to use a CANbus system. Installing standard LEDs may cause flickering.

Use a CANbus decoder.

Can You Put LED Bulbs in a 1999 Jeep TJ?

For a Jeep built for the road and trail, LED upgrades provide the high-contrast lighting needed for better obstacle detection. Since your TJ uses a single H6024 LED bulb for both high and low beams, ensure your chosen LED kit is "dual-beam" compatible. This allows the LED circuitry to mimic the two-filament design of the original halogen bulb. Because Jeep utilizes a CANbus system, standard LED bulbs may cause "bulb out" errors on your dashboard. Always opt for "Error-Free" or CANbus-ready kits which include the necessary resistors. Don't forget the H3 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

1999 Jeep TJ Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	H6024 LED	Buy H6024 LED →
High Beam	H6024 LED	Buy H6024 LED →
Fog Light	H3 LED	Buy H3 LED →
Brake Light	921 LED	Buy 921 LED →
Side Marker	168 LED	Buy 168 LED →
Turn Signal Front	3157 LED	Buy 3157 LED →
Turn Signal Rear	1157 LED	Buy 1157 LED →
Reverse Light	1156	Buy 1156 →
License Plate	168	Buy 168 →
Parking Light	3157	Buy 3157 →
Trunk Light	LED Light	Buy LED Light →