Pontiac Firebird Automatic Transmission Indicator Bulb Size
The Pontiac Firebird automatic transmission indicator utilizes bulb sizes 73, PC74, 161, 37, 74, 194, 1445, and 1893. Available data covers the range from 1967 through 1997.
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 |
|---|---|
| 1996-1997 | 73 |
| 1995 | PC74 |
| 1993-1994 | 73 |
| 1991-1992 | 161 |
| 1990 | 37 |
| 1987-1989 | 74 |
| 1985 | 74 |
| 1982-1984 | 194 |
| 1974-1981 | 1445 |
| 1973 | 1893 |
| 1972 | 1445 |
| 1967-1970 | 1893 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 73 |
| 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 (T10). 12V, 1W. | 161 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1W. | 37 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 1445 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |