Lincoln Mark IV Courtesy Bulb Size
The Lincoln Mark IV courtesy light utilizes unique bulb sizes 1003, 89, 1893, 214-2, and 212-2. Provided data covers the specific range from 1972 through 1976.
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 |
|---|---|
| 1976 | 1003 |
| 1975 | 89 |
| 1974 | 1893 |
| 1973 | 214-2 |
| 1972 | 212-2 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 214-2 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 212-2 |