Pontiac Bonneville Parking Brake Indicator Bulb Size
The Pontiac Bonneville parking brake indicator utilizes bulb sizes 74, 158, 194, 194NA, 1895, 257, and 57 depending on the specific vehicle build. Available data for the specified components covers the range from 1958 to 1992.
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 |
|---|---|
| 1992 | 74 |
| 1991 | 158 |
| 1989-1990 | 74 |
| 1988 | 158 |
| 1987 | 74 |
| 1983-1986 | 194 |
| 1982 | 194NA |
| 1972-1981 | 194 |
| 1971 | 1895 |
| 1967-1970 | 194 |
| 1964-1966 | 1895 |
| 1962-1963 | 257 |
| 1960 | 257 |
| 1959 | 57 |
| 1958 | 257 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10), natural amber glass. 12V, 3.78W. | 194NA |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W. | 1895 |
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |