GMC Sonoma Seat Belt Warning Bulb Size
The GMC Sonoma seat belt warning light utilizes PC194 and PC74 bulb sizes for the instrument cluster illumination. Data for the specified components covers the period from 1993 through 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 |
|---|---|
| 1995-2001 | PC194 |
| 1994 | PC74 |
| 1993 | PC194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W. | PC194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W. | PC74 |