GMC Typhoon Turn Signal Indicator Bulb Size
The GMC Typhoon turn signal indicator requires bulb size PC74 or PC194 depending on the specific instrument cluster configuration. Data for the bulb sizes 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 |
|---|---|
| 1993 | PC74 (Without Digital Inst. Cluster) |
| 1992 | PC194 (With Digital Inst. Cluster) |
| PC74 (Without Digital Inst. Cluster) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| 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 |