GMC G3500 Parking Brake Indicator Bulb Size
The GMC G3500 parking brake indicator utilizes 74 and 194 bulb sizes for the lighting components located within the instrument cluster. Data for the specific bulb requirements spans the period from 1985 through 1996.
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 |
|---|---|
| 1996 | 194 |
| 1994-1995 | 74 |
| 1992-1993 | 194 |
| 1985-1987 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |