Pontiac Grand Prix Trunk Bulb Size
The Pontiac Grand Prix trunk utilizes unique bulb sizes 912, 920, 1003, and 89 depending on the specific production period. Available data covers the range from 1962 through 2004.
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 |
|---|---|
| 2000-2004 | 912 |
| 1993-1999 | 920 |
| 1991 | 920 |
| 1988-1990 | 912 |
| 1973-1987 | 1003 |
| 1966-1972 | 89 |
| 1962-1965 | 1003 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Wedge bulb (T15). Variant of 921. 12V, 12W. | 912 |
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 920 |
| 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 |