American Motors Classic Turn Signal Indicator Bulb Size
The American Motors Classic turn signal indicator uses bulb sizes 57, 158, and 257 for the lighting components. Data for the specified bulbs covers the period from 1961 to 1966.
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 |
|---|---|
| 1964-1966 | 158 |
| 1963 | 57 |
| 1961-1962 | 257 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 |
| 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 |