Ford F-250 Automatic Transmission Indicator Bulb Size
The Ford F-250 automatic transmission indicator utilizes bulb sizes 194, 37, and 1445 for various interior lighting applications. Provided data covers a span of time starting in 1973 and ending in 1996.
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 |
|---|---|
| 1992-1996 | 194 |
| 1989-1991 | 37 |
| 1973-1979 | 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, 1W. | 37 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 1445 |