Plymouth Horizon Automatic Transmission Indicator Bulb Size
The Plymouth Horizon automatic transmission indicator utilizes 194 and 158 bulb sizes for illumination of the gear selector display. Data for the specified components covers the period from 1978 through 1990.
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 |
|---|---|
| 1984-1990 | 194 |
| 1981-1983 | 158 |
| 1978 | 194 |
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, 3W. | 158 |