GMC S15 Courtesy Bulb Size
The GMC S15 courtesy light uses bulb sizes 211-2, 561, and 1003 depending on the specific production requirements for the interior lighting system. Data for the lighting components covers the period from 1982 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 Type | Shop |
|---|---|---|
| 1990 | 211-2 | Check Price |
| 1989 | 561 | Check Price |
| 1988 | 211-2 | Check Price |
| 1986-1987 | 1003 | Check Price |
| 1985 | 211-2 | Check Price |
| 1984 | 1003 | Check Price |
| 1982-1983 | 211-2 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 211-2 | Check Price |
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 561 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 | Check Price |