Buick Skyhawk Trunk Bulb Size
The Buick Skyhawk trunk light uses 1003 and 89 bulb sizes for the illumination of the rear storage area. Available information covers the span from 1975 through 1989.
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 |
|---|---|
| 1989 | 1003 |
| 1988 | 89 |
| 1982-1987 | 1003 |
| 1980 | 1003 |
| 1975-1976 | 1003 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |