GMC Sonoma Automatic Transmission Indicator Bulb Size
The GMC Sonoma automatic transmission indicator requires bulb sizes 161, PC74, and PC194 depending on the specific vehicle configuration. Data for the listed components covers the range from 1993 to 2001.
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 |
|---|---|
| 1998-2001 | 161 |
| 1995-1997 | PC74 |
| 1993 | PC194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 1W. | 161 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W. | PC74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W. | PC194 |