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

YearsBulb Size
1982-1984906
19811892
198074
1978-1979631
1975-1976562
19741003
197389

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

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