Buick Roadmaster Map Light Bulb Size
The Buick Roadmaster map light requires bulb size 192 or 90 depending on the specific configuration of the interior lighting system. Data for the bulb sizes covers the range from 1958 to 1991.
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 |
|---|---|---|
| 1991 | 192 | Check Price |
| 1958 | 90 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 192 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W. | 90 | Check Price |