GMC Typhoon Parking Brake Indicator Bulb Size
The GMC Typhoon parking brake indicator utilizes PC194 and PC74 bulb sizes for the instrument cluster lighting system. Data for the specific lighting components covers the range from 1992 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
| 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 |