GMC B6000 Instrument Panel Bulb Size
The GMC B6000 instrument panel utilizes 161, 168, and 194 bulb sizes for illumination across various production versions. Data for the specified components covers the range from 1980 through 1991.
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 |
|---|---|
| 1991 | 168 (Medium Duty) |
| 1990 | 161 (Medium Duty) |
| 1989 | 168 (Medium Duty) |
| 1988 | 194 |
| 1987 | 168 (Medium Duty) |
| 194 (Medium Duty, With 2 Rectangular Headlights) | |
| 1986 | 168 (Medium Duty) |
| 161 (Medium Duty, With 2 Rectangular Headlights) | |
| 1985 | 194 |
| 1984 | 168 (Medium Duty) |
| 194 (Medium Duty, With 2 Rectangular Headlights) | |
| 1981-1983 | 194 |
| 1980 | 161 |
| 168 (Heavy Duty) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| 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). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |