Mercury Grand Marquis Tail Light Bulb Size
The Mercury Grand Marquis tail light utilizes unique bulb sizes 4157, 3157, 2458, 916, and 1157 depending on the specific production period. Provided information covers the range from 1975 to 2011.
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 |
|---|---|
| 2006-2011 | 4157 |
| 1990-2005 | 3157 |
| 1989 | 916 |
| 1987-1988 | 3157 |
| 1986 | 1157 |
| 1985 | 916 |
| 1975-1984 | 1157 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 4157 |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3157 |
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 18W. | 916 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |