Chevrolet Celebrity Map Light Bulb Size

The Chevrolet Celebrity map light utilizes bulb sizes 90, 194, and 906 across various production versions. Available data for the specified lighting components covers the period from 1982 through 1990.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Bulb Size by Year Range

Years	Bulb Size
1990	906
1987-1988	906
1985	194
1983-1984	906
1982	90

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 8W.	906
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.	194
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W.	90

Other Locations

Additional Notes

The Chevrolet Celebrity map light specifications reference three distinct bulb types across its model years: the 906, the 194, and the 90.
The 906 is the most frequently specified bulb in these records, appearing in the 1983-1985 and 1987-1990 model years, with the exception of 1986.
The 906 is an ANSI-standard miniature wedge bulb rated at 12V and 8W, housed in a T10 form factor.
The 194 shares the same T10 wedge form factor as the 906 but operates at a significantly lower wattage of 3.78W, making the two electrically non-equivalent despite their physical similarity.
Because the 906 and 194 share the T10 wedge base, physical fitment between the two is possible, but their wattage difference means one cannot be treated as a direct substitute for the other without accounting for the change in power draw.
The 1982 Chevrolet Celebrity map light uses the 90 bulb, which differs fundamentally from the other two types by using a BA15s single-contact bayonet base rather than a wedge base, making it physically incompatible with T10 sockets.
The 90 bulb is rated at 13W, the highest wattage of the three bulb types listed in these specifications.
All three bulb types conform to ANSI standards applicable in both the United States and Canada and operate on a 12V electrical system, consistent with standard automotive voltage.