Pontiac Ventura Automatic Transmission Indicator Bulb Size
The Pontiac Ventura automatic transmission indicator requires bulb sizes 257, 57, 1893, 1445, and 194 depending on the specific version of the component. Data for the bulb sizes covers the range from 1960 to 1977.
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 |
|---|---|
| 1977 | 194 |
| 1972 | 1445 |
| 1971 | 1893 |
| 1961 | 57 |
| 1960 | 257 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 1445 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |
| 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 |