Pontiac Catalina License Plate Bulb Size

The Pontiac Catalina license plate light uses unique bulb sizes 194, 168, 97, 67, 1155, and 63 depending on the specific vehicle configuration. Available data for the lighting components covers the range from 1950 through 1981.

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
1978-1981	194
1977	168
1974-1976	194
1971-1973	97
1965-1970	67
1964	1155
1955-1963	67
1950-1954	63

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.	194
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.	168
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 13W.	97
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W.	67
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W.	1155
ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 0.63W.	63

Other Locations

Additional Notes

The Pontiac Catalina license plate bulb specifications span model years 1950 through 1981, covering six distinct bulb types across that range.
The 194 is the most frequently specified bulb in these records, covering the 1974-1976 and 1978-1981 model years. It is a T10 miniature wedge bulb rated at 12V and 3.78W under the ANSI standard.
The bulb 67 is the second most common fitment, appearing across the 1955-1963 and 1965-1966 model years. It is a single-filament bulb with a BA15s bayonet base, rated at 12V and 8W, and is a lower wattage variant of the 1156 type.
The 63 bulb is specified for the 1950-1954 model years. It uses a BA9s base rather than the BA15s bayonet base found on several other bulbs in these specifications, and operates at a notably low 0.63W.
The 97 bulb is specified for the 1971-1973 model years. Like the 67, it uses a BA15s bayonet base, but it draws significantly more power at 13W, making the two types electrically incompatible despite sharing the same base style.
The 1155 bulb is specified exclusively for the 1964 Pontiac Catalina. At 21W, it is the highest wattage bulb in these specifications and also uses a BA15s bayonet base as a variant of the 1156 type.
The 168 bulb is specified only for the 1977 model year. It shares the T10 miniature wedge form with the 194 but draws 4.9W rather than 3.78W, meaning the two are not wattage-equivalent substitutes despite their physical similarity.
The BA15s bayonet base is shared by the 67, 97, and 1155 bulb types, yet their wattage ratings of 8W, 13W, and 21W respectively indicate that physical fitment does not confirm electrical interchangeability.
The T10 wedge base used by both the 194 and 168 types is a fundamentally different mounting system from the BA15s bayonet base, meaning bulbs from these two groups are not interchangeable regardless of voltage rating.
All six bulb types in these specifications are rated at 12V and conform to ANSI standards recognized in both the United States and Canada.