American Motors Ambassador Parking Brake Indicator Bulb Size
The American Motors Ambassador parking brake indicator utilizes bulb sizes 194, 57, and 257 depending on the specific application for the lighting component. Available data for the lighting specifications covers the range from 1960 through 1974 without any additional information provided.
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 |
|---|---|
| 1972-1974 | 194 |
| 1971 | 57 |
| 1963-1970 | 257 |
| 1962 | 57 |
| 1960-1961 | 257 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |