GMC C7000 Instrument Panel Bulb Size
The GMC C7000 instrument panel utilizes unique bulb sizes 158, 161, 168, 194, 1893, and 1895 for various lighting components. Available data for the specified vehicle covers the range from 1979 through 1990.
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 | 168 (Medium Duty) |
| 158 (Tiltmaster) | |
| 1989 | 194 (Medium Duty) |
| 158 (Tiltmaster) | |
| 1988 | 161 (Medium Duty) |
| 194 (Medium Duty, With 2 Rectangular Headlights) | |
| 158 (Tiltmaster) | |
| 1987 | 194 |
| 158 (Tiltmaster) | |
| 1986 | 161 |
| 158 (Tiltmaster) | |
| 1985 | 194 |
| 158 (Tiltmaster) | |
| 1984 | 161 (Medium Duty) |
| 194 (Medium Duty, With 2 Rectangular Headlights) | |
| 158 (Tiltmaster) | |
| 1983 | 168 (Medium Duty) |
| 194 (Medium Duty, With 2 Rectangular Headlights) | |
| 1982 | 194 |
| 1981 | 194 (Medium Duty) |
| 161 (Medium Duty, With 2 Rectangular Headlights) | |
| 1980 | 168 (Heavy Duty) |
| 1893 (Medium Duty) | |
| 194 (Medium Duty, With 2 Rectangular Headlights) | |
| 1979 | 161 |
| 1895 (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, 3W. | 158 |
| 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 (T5). 12V, 2W. | 1893 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W. | 1895 |