Geo Storm Courtesy Bulb Size
The Geo Storm courtesy light utilizes bulb size 158 and bulb size 74 for the interior lighting components. Data for the specific bulbs covers the span from 1990 to 1992.
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 |
|---|---|
| 1992 | 158 |
| 1990-1991 | 74 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |