Mercury Grand Marquis High Beam Indicator Bulb Size
The Mercury Grand Marquis high beam indicator utilizes bulb sizes 194 and PC194 for illumination within the instrument cluster. Available information spans a time range from 1975 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 |
| 1975-1997 | 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 |