GMC C3500 Instrument Panel Bulb Size
The GMC C3500 instrument panel utilizes unique bulb sizes 161, 168, 194, 74, and PC195 for various lighting applications within the dashboard cluster. Available data covers the range from 1979 through 1998 for the specified components and lighting requirements.
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 |
|---|---|
| 1998 | PC195 |
| 1997 | 74 |
| 1994-1996 | 194 |
| 1993 | 74 |
| 1990-1992 | 194 |
| 1989 | 161 |
| 1988 | 194 |
| 1986 | 161 |
| 1985 | 194 |
| 1980-1984 | 168 |
| 1979 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V. | PC195 |
| 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 (T10). 12V, 1W. | 161 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |