Mercury Monarch Trunk Bulb Size
The Mercury Monarch trunk light uses bulb size 89 or 211-2 depending on the specific vehicle configuration. Data for the lighting components covers the period from 1975 through 1980.
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 |
|---|---|
| 1979-1980 | 89 |
| 1978 | 211-2 |
| 1975-1977 | 89 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 211-2 |