Pontiac Bonneville Courtesy Bulb Size
The Pontiac Bonneville courtesy light uses unique bulb sizes 194, 168, 74, 562, 561, 1004, 212-2, 89, 90, and 68. Available data covers the range from 1957 to 2003.
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 |
|---|---|
| 2002-2003 | 194 |
| 2001 | 168 |
| 1998-2000 | 194 |
| 1994-1997 | 168 |
| 1993 | 74 |
| 1991 | 562 |
| 1989-1990 | 194 |
| 1988 | 562 |
| 1987 | 194 |
| 1983-1986 | 168 |
| 1982 | 561 |
| 1981 | 562 |
| 1980 | 1004 |
| 1979 | 74 |
| 1978 | 168 |
| 1977 | 1004 |
| 1976 | 212-2 |
| 1975 | 89 |
| 1974 | 1004 |
| 1973 | 212-2 |
| 1972 | 89 |
| 1971 | 194 |
| 1965-1968 | 90 |
| 1963-1964 | 89 |
| 1962 | 68 |
| 1959-1961 | 89 |
| 1957 | 89 |
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, 4.9W. | 168 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 562 |
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 561 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1004 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 212-2 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W. | 90 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 6W. | 68 |