Ford Thunderbird Automatic Transmission Indicator Bulb Size
The Ford Thunderbird automatic transmission indicator utilizes unique bulb sizes 194, 1893, 168, 37, 1445, 1895, and 158 depending on the specific application. Available data covers the range of 1959 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 |
|---|---|
| 1995-1997 | 194 |
| 1992-1994 | 1893 |
| 1991 | 194 |
| 1989-1990 | 1893 |
| 1987-1988 | 168 |
| 1983-1986 | 1893 |
| 1982 | 37 |
| 1980-1981 | 1445 |
| 1978 | 37 |
| 1977 | 1445 |
| 1973 | 1895 |
| 1968-1972 | 1445 |
| 1965-1967 | 158 |
| 1959-1964 | 1445 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1W. | 37 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 1445 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W. | 1895 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 |