Pontiac GTO Courtesy Bulb Size
The Pontiac GTO courtesy light utilizes bulb sizes 6411, 212-2, 194, and 89 depending on the specific vehicle configuration. Data for the listed components covers the period from 1964 through 2006.
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 |
|---|---|
| 2004-2006 | 6411 |
| 1973 | 212-2 |
| 1972 | 89 |
| 1971 | 194 |
| 1964-1970 | 89 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon bulb, 36mm length, SV8.5 base. 12V, 5W. | 6411 |
| 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). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |