Ford F-100 Turn Signal Indicator Bulb Size
The Ford F-100 turn signal indicator utilizes bulb sizes 194 and 57 for the lighting components within the instrument cluster. Data for the specific bulbs covers the range from 1956 to 1979.
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 |
|---|---|
| 1973-1979 | 194 |
| 1956 | 57 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |