Pontiac Star Chief Turn Signal Indicator Bulb Size
The Pontiac Star Chief turn signal indicator uses bulb sizes 1895, 57, and 257 depending on the specific application. Data for the bulb sizes covers the range from 1958 to 1966.
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 |
|---|---|
| 1964-1966 | 1895 |
| 1963 | 57 |
| 1961-1962 | 257 |
| 1959-1960 | 57 |
| 1958 | 257 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| 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 |