GMC G2500 Turn Signal Indicator Bulb Size
The GMC G2500 turn signal indicator requires bulb sizes 74, 194, and PC74 depending on the specific application. Available data covers the period from 1985 through 1995.
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 | 74 |
| 1994 | 194 |
| 1993 | PC74 |
| 1992 | 194 |
| 1985-1987 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W. | PC74 |