Mercury Grand Marquis Clock Light Bulb Size
The Mercury Grand Marquis clock light requires a 194 bulb size for proper illumination of the internal timepiece component. Available data for the specified bulb covers the period from 1977 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 |
|---|---|
| 1977-1989 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |