Mercury Cougar Check Engine Bulb Size
The Mercury Cougar check engine light requires bulb sizes 37 and 194 depending on the specific instrument cluster configuration. Data provided for the components covers the period from 1991 to 1997.
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 |
|---|---|
| 1994-1997 | 37 |
| 1991-1993 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1W. | 37 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |