Plymouth GTX High Beam Indicator Bulb Size
The Plymouth GTX high beam indicator requires bulb size 257 or 194 depending on the specific application. Data for the bulb sizes covers the range from 1969 to 1971.
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 |
|---|---|
| 1971 | 257 |
| 1969-1970 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |