Plymouth Road Runner Turn Signal Indicator Bulb Size
The Plymouth Road Runner turn signal indicator uses bulb sizes 57, 161, 194, and 257 depending on the specific version required for the lighting system. Available data for the bulb specifications covers the period from 1968 through 1973.
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 |
|---|---|
| 1972-1973 | 194 |
| 1971 | 161 |
| 1970 | 257 |
| 1969 | 57 |
| 1968 | 257 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 1W. | 161 |
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |