Jeep J20 Courtesy Bulb Size
The Jeep J20 courtesy light utilizes bulb sizes 211-2, 89, 561, 212-2, 194, 631, and 1893 across various production versions. Available information covers a specific time span starting in 1974 and ending in 1988.
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 | 211-2 |
| 1987 | 89 |
| 1985-1986 | 561 |
| 1984 | 89 |
| 1981-1983 | 212-2 |
| 1980 | 194 |
| 1979 | 211-2 |
| 1978 | 631 |
| 1977 | 212-2 |
| 1976 | 1893 |
| 1975 | 212-2 |
| 1974 | 631 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 211-2 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 561 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 212-2 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W. | 631 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |