Plymouth GTX Automatic Transmission Indicator Bulb Size
The Plymouth GTX automatic transmission indicator utilizes bulb sizes 1891, 53, and 257 depending on the specific application for the component. Data for the bulb sizes covers the range from 1967 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 | 1891 |
| 1969-1970 | 53 |
| 1967-1968 | 257 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1891 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 53 |
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |