Buick GS Trunk Bulb Size
The Buick GS trunk bulb accommodates 2 distinct sizes: 89 and 194, with each size corresponding to specific vehicle configurations. The replacement chart covers 1970 through 1972 production years and details bulb size specifications for trunk applications.
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 |
|---|---|
| 1972 | 89 |
| 1971 | 194 |
| 1970 | 89 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |