GMC G1500 Courtesy Bulb Size
The GMC G1500 courtesy bulb utilizes 3 distinct sizes: 212-2, 906, and 194, with each bulb size corresponding to specific vehicle configurations. The replacement chart documents courtesy bulb specifications across the 1979 to 1995 production range.
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 |
|---|---|
| 1993-1995 | 212-2 |
| 1992 | 906 |
| 1991 | 194 |
| 1990 | 212-2 |
| 1989 | 194 |
| 1983-1988 | 212-2 |
| 1980 | 194 |
| 1979 | 1156 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 212-2 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 8W. | 906 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 |