GMC C5000 Instrument Panel Bulb Size
The GMC C5000 instrument panel utilizes unique bulb sizes 161, 168, and 194 to provide illumination for the gauges and indicators located within the dashboard assembly. Available data for the specified components covers the time range from 1979 through 1990 without providing additional details for other vehicle systems.
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 |
|---|---|
| 1990 | 194 (Medium Duty) |
| 1989 | 161 (Medium Duty) |
| 1988 | 194 |
| 1987 | 161 (Medium Duty) |
| 194 (Medium Duty, With 2 Rectangular Headlights) | |
| 1985-1986 | 194 (Medium Duty) |
| 161 (Medium Duty, With 2 Rectangular Headlights) | |
| 1984 | 168 (Medium Duty) |
| 194 (Medium Duty, With 2 Rectangular Headlights) | |
| 1983 | 194 |
| 1982 | 194 (Medium Duty) |
| 161 (Medium Duty, With 2 Rectangular Headlights) | |
| 1981 | 161 |
| 1979-1980 | 161 (Medium Duty) |
| 194 (Medium Duty, With 2 Rectangular Headlights) |
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, 1W. | 161 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |