Oldsmobile Omega Courtesy Bulb Size
The Oldsmobile Omega courtesy light utilizes bulb sizes 906, 1892, 74, 631, 562, 1003, and 89 depending on the specific version. Data for the bulb sizes covers the range from 1973 through 1984.
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 |
|---|---|
| 1982-1984 | 906 |
| 1981 | 1892 |
| 1980 | 74 |
| 1978-1979 | 631 |
| 1975-1976 | 562 |
| 1974 | 1003 |
| 1973 | 89 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 8W. | 906 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 3W. | 1892 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W. | 631 |
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 562 |
| 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 |