Pontiac GTO Trunk Bulb Size
The Pontiac GTO trunk light utilizes 6411, 1003, 89, and 194 bulb sizes depending on the specific production period. Available information covers the span 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 | 1003 |
| 1972 | 89 |
| 1971 | 194 |
| 1966-1970 | 89 |
| 1964-1965 | 1003 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon bulb, 36mm length, SV8.5 base. 12V, 5W. | 6411 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 |
| 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 |