American Motors American Courtesy Bulb Size
The American Motors American courtesy light requires bulb sizes 89, 90, or 1004 depending on the specific application for the vehicle interior. Data for the bulb sizes covers the range from 1960 to 1968.
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 Type | Shop |
|---|---|---|
| 1965-1968 | 89 | Check Price |
| 1964 | 90 | Check Price |
| 1960-1963 | 1004 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W. | 90 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1004 | Check Price |