Mercury Grand Marquis Engine Compartment Light Bulb Size
The Mercury Grand Marquis engine compartment light utilizes bulb sizes 906, 912, and 89 depending on the specific production period for the vehicle. Available data covers the range from 1975 through 2011 for the specified lighting components.
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 |
|---|---|
| 1992-2011 | 906 |
| 1990-1991 | 912 |
| 1989 | 906 |
| 1984-1987 | 89 |
| 1975-1982 | 89 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 8W. | 906 |
| ANSI standard (US & Canada). Wedge bulb (T15). Variant of 921. 12V, 12W. | 912 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |