Buick GS Automatic Transmission Indicator Bulb Size
The Buick GS automatic transmission indicator requires bulb size 1893 or 53 depending on the specific application. Data for the bulb sizes covers the range from 1970 to 1971.
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 |
|---|---|
| 1971 | 1893 |
| 1970 | 53 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 53 |