Pontiac Firebird High Beam Indicator Bulb Size
The Pontiac Firebird high beam indicator uses bulb sizes 194, 158, 74, and PC74 depending on the specific version of the vehicle. Available data covers the range from 1967 through 1997 for the components listed in the provided chart.
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 |
|---|---|
| 1993-1997 | PC74 |
| 1991-1992 | 74 |
| 1990 | 158 |
| 1967-1989 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W. | PC74 |
| 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 |