Geo Storm Automatic Transmission Indicator Bulb Size
The Geo Storm automatic transmission indicator requires bulb size 158 or 74 depending on the specific assembly installed in the vehicle. Data for the bulb sizes covers the range from 1991 to 1993.
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
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1993 | 158 | 158 | Check Price |
| 1992 | 74 | W1.2W | Check Price |
| 1991 | 158 | 158 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 | Check Price |
| ECE standard (Europe & worldwide). Miniature wedge bulb (T5) with W2x4.6d base. 12V, 1.2W. | W1.2W | Check Price |