Dodge St. Regis Ignition Light Bulb Size
The Dodge St. Regis ignition light bulb uses 2 sizes: 1445 and 158, with each size corresponding to specific vehicle configurations. The replacement chart covers 1979 through 1981 production years and details bulb size specifications for each model year.
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 |
|---|---|
| 1981 | 1445 |
| 1980 | 158 |
| 1979 | 1445 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 1445 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 |