GMC Typhoon Check Engine Bulb Size
The GMC Typhoon check engine light utilizes bulb sizes PC194 and PC74 for the instrument cluster display. Data for the specific components covers the period from 1992 through 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
| Years | Bulb Size |
|---|---|
| 1992-1993 | PC194 (With Digital Inst. Cluster) |
| PC74 (Without Digital Inst. Cluster) |
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 |