GMC C5000 Courtesy Bulb Size
The GMC C5000 courtesy light utilizes 211-2, 90, 1003, and 194 bulb sizes across various production versions. Provided information covers the specific time span 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 |
|---|---|
| 1986-1990 | 211-2 (Medium Duty) |
| 1985 | 90 (Medium Duty) |
| 1984 | 1003 (Medium Duty) |
| 1983 | 211-2 (Medium Duty) |
| 1982 | 90 (Medium Duty) |
| 1981 | 211-2 (Medium Duty) |
| 1980 | 194 (Medium Duty) |
| 1979 | 211-2 (Medium Duty) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 211-2 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W. | 90 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |