Jeep J20 Tail Light Bulb Size
The Jeep J20 tail light utilizes 1156 and 1157 and 198 bulb sizes for illumination across various production periods. Available data covers the span from 1974 through 1988 for the specified vehicle components.
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 |
|---|---|
| 1988 | 1156 |
| 1979-1987 | 1157 |
| 1974-1978 | 198 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 198 |