What is the low beam headlight bulb size for a 1990 Cadillac Fleetwood?

The 1990 Cadillac Fleetwood 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 1990 Cadillac Fleetwood?

The high beam bulb size for the 1990 Cadillac Fleetwood is 194.

Why are my 1990 Cadillac Fleetwood headlights dim?

Dim headlights on a 1990 Cadillac Fleetwood 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 1990 Cadillac Fleetwood fog light?

The 1990 Cadillac Fleetwood uses a LED Fog Light bulb for the fog light position.

Is the 1990 Cadillac Fleetwood single or dual beam?

The 1990 Cadillac Fleetwood 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 Cadillac Fleetwood?

Yes, the 1990 Cadillac Fleetwood 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 1990 Cadillac Fleetwood have fog lights?

Yes, the 1990 Cadillac Fleetwood takes a LED Fog Light bulb for the fog light position.

Did the 1990 Cadillac Fleetwood change headlight bulb sizes from the previous year?

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

Is the 1990 Cadillac Fleetwood the first or last year to use 9006 LED bulbs?

The 1990 Cadillac Fleetwood is the only year in the 1990 generation to use the 9006 LED bulb for the low beam headlight.

How do I change the headlight on a 1990 Cadillac Fleetwood?

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 1990 Cadillac Fleetwood?

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 1990 Cadillac Fleetwood 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 1990 Cadillac Fleetwood?

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.

The 1990 Cadillac Fleetwood has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 1990 Cadillac Fleetwood

What Size Bulbs Does a 1990 Cadillac Fleetwood 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 Cadillac Fleetwood Have?

Owners of the 1990 Cadillac Fleetwood will find a total of 14 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 194 high beam bulbs for precise light distribution. This model belongs to the late years of the Fleetwood's 1958-1996 production span.

Can You Put LED Bulbs in a 1990 Cadillac Fleetwood?

Upgrading to LED is one of the most effective ways to modernize your Cadillac's appearance and safety profile. We recommend starting your upgrade with the 9006 LED low beams, as they see the most use. Adding a matching 194 LED kit later will complete the look and ensure consistent lighting performance. Don't forget the LED Fog Light fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

1990 Cadillac Fleetwood Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	9006 LED	Buy 9006 LED →
High Beam	194	Buy 194 →
Fog Light	LED Fog Light	Buy LED Fog Light →
Brake Light	1156 LED	Buy 1156 LED →
Side Marker	24 LED	Buy 24 LED →
Turn Signal Front	2057NA LED	Buy 2057NA LED →
Turn Signal Rear	3057 LED	Buy 3057 LED →
Dome Light	562 or 906	Buy 562 or 906 →
License Plate	194	Buy 194 →
Map Light	562 or 906	Buy 562 or 906 →
Parking Light	194	Buy 194 →
Reverse Light	3057	Buy 3057 →
Trunk Light	93	Buy 93 →
Tail Light	3057	Buy 3057 →

How do the 1990 Cadillac Fleetwood's bulbs compare to other years?

The 1990 Cadillac Fleetwood changed bulb sizes from 1989. The previous model year used a different configuration.

The 1991 model switched to a different bulb configuration.

This bulb configuration covers the 1990 model years. ← 1989 1991 →

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Other Fleetwood Years

1996 1995 1994 1993 1992 1991 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962 1961 1960 1959 1958

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