Buick Sportwagon Courtesy Bulb Size
The Buick Sportwagon courtesy light utilizes bulb sizes 212-2, 194, 89, and 90 depending on the specific version. Data for the bulb sizes covers the range from 1964 to 1972.
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 |
|---|---|
| 1972 | 212-2 |
| 1971 | 194 |
| 1970 | 89 |
| 1969 | 90 |
| 1964-1968 | 89 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 212-2 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W. | 90 |