GMC Caballero Engine Compartment Light Bulb Size
The GMC Caballero engine compartment light uses bulb sizes 93, 1156, and 1003 across various production configurations. The replacement chart covers 1978 through 1987 model years with corresponding bulb size specifications.
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 |
|---|---|
| 1986-1987 | 93 |
| 1982-1985 | 1156 |
| 1981 | 93 |
| 1980 | 1156 |
| 1978-1979 | 1003 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 93 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 |