Pontiac Bonneville Clock Light Bulb Size
The Pontiac Bonneville clock light bulb comes in 3 sizes: 168, 194, and 161, with each size corresponding to specific vehicle production specifications. The replacement chart covers 1958 through 1985 model years and details which bulb size applies to each production year.
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 |
|---|---|
| 1985 | 168 |
| 1984 | 194 |
| 1983 | 161 |
| 194 | |
| 1982 | 168 |
| 1981 | 1895 |
| 1975-1978 | 1895 |
| 1964-1971 | 1895 |
| 1963 | 1895 |
| 57 | |
| 1961-1962 | 257 |
| 57 | |
| 1958 | 57 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 1W. | 161 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W. | 1895 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |