Mercury Grand Marquis Automatic Transmission Indicator Bulb Size
The Mercury Grand Marquis automatic transmission indicator utilizes bulb sizes PC194, 37, 194, and 1893 depending on the specific vehicle configuration and internal lighting requirements. Available data for the specified lighting components covers a span of time starting in 1978 and ending in 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
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1998-2005 | PC194 | W5W+PCB | Check Price |
| 1992-1997 | 37 | 37 | Check Price |
| 1989-1991 | 194 | W5W | Check Price |
| 1984 | 1893 | 1893 | Check Price |
| 1983 | 194 | W5W | Check Price |
| 1978 | 194 | W5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W. | PC194 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1W. | 37 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W. | W5W | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 | Check Price |