GMC G3500 Instrument Panel Bulb Size
The GMC G3500 instrument panel uses unique bulb sizes 194, 168, 161, and 1445 to provide illumination for the gauges and indicators. Available data for the specific components covers the period from 1979 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 |
| 1995 | 168 |
| 1992-1994 | 194 |
| 1990-1991 | 168 |
| 1989 | 161 |
| 1988 | 168 |
| 1986-1987 | 194 |
| 1985 | 1445 |
| 1984 | 161 |
| 1980-1983 | 194 |
| 1979 | 168 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 1W. | 161 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 1445 |