What is the low beam headlight bulb size for a 1990 Eagle Summit?

The 1990 Eagle Summit uses a 9006 bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 1990 Eagle Summit?

The high beam bulb size for the 1990 Eagle Summit is 9005.

Why are my 1990 Eagle Summit headlights dim?

Dim headlights on a 1990 Eagle Summit 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 conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1990 Eagle Summit fog light?

The 1990 Eagle Summit typically does not come with factory fog lights in all trim levels. If your vehicle is equipped with them, check the manual as sizes can vary by trim.

Is the 1990 Eagle Summit single or dual beam?

The 1990 Eagle Summit uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 1990 Eagle Summit?

Yes, the 1990 Eagle Summit comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 9006 LED conversion kit for the low beams.

Did the 1990 Eagle Summit change headlight bulb sizes from the previous year?

Yes — the 1990 Eagle Summit uses different bulb sizes than the 1989 model. The 1990 generation introduced this bulb configuration.

Is the 1990 Eagle Summit the first or last year to use 9006 bulbs?

The 1990 Eagle Summit is the only year in the 1990 generation to use the 9006 bulb for the low beam headlight.

How do I change the headlight on a 1990 Eagle Summit?

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 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 1990 Eagle Summit?

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 kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 1990 Eagle Summit headlights?

A pair of halogen 9006 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 1990 Eagle Summit?

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

The 1990 Eagle Summit has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 1990 Eagle Summit

What Size Bulbs Does a 1990 Eagle Summit 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 1990 Eagle Summit Have?

The 1990 Eagle Summit utilizes a refined lighting configuration featuring 10 distinct bulb positions. It features a comprehensive lighting system powered by a dual-bulb halogen configuration using separate 9006 low beam and 9005 high beam bulbs for precise light distribution. This model belongs to the early years of the Summit's 1989-1996 production span.

Can You Put LED Bulbs in a 1990 Eagle Summit?

Upgrading to LED is one of the most effective ways to modernize your Eagle's appearance and safety profile. We recommend starting your upgrade with the 9006 low beams, as they see the most use. Adding a matching 9005 LED kit later will complete the look and ensure consistent lighting performance.

1990 Eagle Summit Bulb Size Chart

Position	Bulb Size	Shop
Side Marker	168	Buy 168 →
High Beam	9005	Buy 9005 →
Low Beam	9006	Buy 9006 →
Turn Signal Front	1156	Buy 1156 →
License Plate	168	Buy 168 →
Reverse Light	1156	Buy 1156 →
Brake Light	1156	Buy 1156 →
Turn Signal Rear	1156	Buy 1156 →
Dome Light	906	Buy 906 →
Map Light	906	Buy 906 →

How do the 1990 Eagle Summit's bulbs compare to other years?

The 1990 Eagle Summit changed bulb sizes from 1989. The previous model year used a different configuration.

The 1992 model switched to a different bulb configuration.

This bulb configuration covers the 1990 model years. ← 1989 1992 →

Finding the best installation guide...

Other Summit Years

1996 1995 1994 1993 1992 1989

Other Vehicles That Use 9006 Bulbs

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9006 Comparisons

9005 vs 9006 9006 vs H11 9006 vs HB4