Mercury Grand Marquis Seat Belt Warning Bulb Size
The Mercury Grand Marquis seat belt warning light utilizes PC194 and 194 bulb sizes for the internal instrument cluster illumination components. Available data for the specified vehicle covers a continuous range from 1977 through 2005.
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 |
|---|---|
| 1998-2005 | PC194 |
| 1977-1997 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W. | PC194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |