What is the low beam headlight bulb size for a 1999 GMC Jimmy?

The 1999 GMC Jimmy uses a 9006 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 GMC Jimmy?

The high beam bulb size for the 1999 GMC Jimmy is PC74.

Why are my 1999 GMC Jimmy headlights dim?

Dim headlights on a 1999 GMC Jimmy can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a 9006 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1999 GMC Jimmy fog light?

The 1999 GMC Jimmy uses a 880 LED or 881 LED bulb for the fog light position.

Is the 1999 GMC Jimmy single or dual beam?

The 1999 GMC Jimmy uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 1999 GMC Jimmy?

Yes, the 1999 GMC Jimmy comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 9006 LED LED conversion kit for the low beams.

Does the 1999 GMC Jimmy have fog lights?

Yes, the 1999 GMC Jimmy takes a 880 LED or 881 LED bulb for the fog light position.

How do I change the headlight on a 1999 GMC Jimmy?

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 9006 LED bulb counter-clockwise to remove it, then insert the new bulb and reassemble. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 1999 GMC Jimmy?

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 9006 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 GMC Jimmy headlights?

A pair of halogen 9006 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 GMC Jimmy?

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 9006 LED position are available as direct plug-and-play replacements.

This vehicle is part of the 1998–2001 GMC Jimmy generation. All models in this range share identical light bulb sizes.

Fitment Guaranteed for 1999 GMC Jimmy

What Size Bulbs Does a 1999 GMC Jimmy 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 GMC Jimmy Have?

Owners of the 1999 GMC Jimmy will find a total of 12 lighting elements throughout the vehicle's exterior. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate 9006 LED low beam and PC74 high beam bulbs for precise light distribution. This model belongs to the mid years of the Jimmy's 1989-2005 production span.

Can You Put LED Bulbs in a 1999 GMC Jimmy?

For a GMC built for the road and trail, LED upgrades provide the high-contrast lighting needed for better obstacle detection. We recommend starting your upgrade with the 9006 LED low beams, as they see the most use. Adding a matching PC74 LED kit later will complete the look and ensure consistent lighting performance. Don't forget the 880 LED or 881 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

1999 GMC Jimmy Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	9006 LED	Buy 9006 LED →
High Beam	PC74	Buy PC74 →
Fog Light	880 LED or 881 LED	Buy 880 LED or 881 LED →
Brake Light	PC74	Buy PC74 →
Side Marker	194NA LED	Buy 194NA LED →
Turn Signal Front	3157 LED	Buy 3157 LED →
Turn Signal Rear	3057 LED	Buy 3057 LED →
Reverse Light	3156	Buy 3156 →
License Plate	194	Buy 194 →
Map Light	168 or 211-2	Buy 168 or 211-2 →
Parking Light	3157	Buy 3157 →
Trunk Light	211-2	Buy 211-2 →