Ford E-150 Automatic Transmission Indicator Bulb Size
The Ford E-150 automatic transmission indicator bulb uses 3 distinct sizes: 194, 37, and 161. The replacement chart covers vehicle production spanning 1975 to 2002.
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 |
|---|---|
| 1992-2002 | 194 |
| 1988-1991 | 37 |
| 1985-1987 | 161 |
| 1975-1980 | 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). Miniature wedge bulb (T10). 12V, 1W. | 161 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 1445 |