Buick GS 400 Turn Signal Indicator Bulb Size
The Buick GS 400 turn signal indicator requires a 194 bulb size for proper illumination within the instrument cluster. Data for the specific component covers the 1968 to 1969 range.
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 |
|---|---|
| 1968-1969 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |