Chevrolet Caprice Ash Tray Bulb Size

The Chevrolet Caprice ash tray utilizes bulb sizes 168 and 1445 for the interior lighting components. Available information covers the specific range of years from 1966 through 1992.

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
1990-1992	168
1978-1989	1445
1966-1973	1445

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.	168
ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W.	1445

Other Locations

Additional Notes

The Chevrolet Caprice ash tray position uses two distinct bulb types across its model years: the 1445 and the 168. These are not interchangeable, as they differ in base type, wattage, and physical form factor.
The 1445 bulb is specified for the Chevrolet Caprice (1966-1979 and 1980-1989) ash tray position. It follows the ANSI standard applicable in both the United States and Canada.
The 1445 is a single-filament bulb rated at 12V and 2W, fitted with a BA9s bayonet base. The BA9s base is a miniature bayonet cap with a 9mm body, commonly associated with low-wattage indicator and courtesy lighting applications.
The 168 bulb is specified for the 1990-1992 model years. It also conforms to the ANSI standard for the United States and Canada.
The 168 is a T10 miniature wedge bulb rated at 12V and 4.9W. The wedge base design relies on the bulb's glass envelope and wire leads to secure it in the socket, with no separate metal base cap required.
The 168 operates at 4.9W compared to the 1445's 2W rating. This difference in wattage reflects a higher current draw and greater light output from the 168, despite both bulbs running on a 12V circuit.
The BA9s base of the 1445 and the wedge base of the 168 are physically incompatible socket types. A socket designed for one will not accept the other without modification.
The gap in the specifications between 1973 and 1978 means no ash tray bulb data is recorded for the 1974-1977 model years, though the 1445 remains the specified type on both sides of that interval.