Ford F-100 Roof Marker Bulb Size
The Ford F-100 roof marker requires bulb size 168 or 97 depending on the specific application for the lighting component. Data for the lighting specifications covers the range from 1973 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 |
|---|---|
| 1978-1979 | 168 |
| 1973-1977 | 97 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 13W. | 97 |