Pontiac Grand LeMans Cornering Bulb Size
The Pontiac Grand LeMans cornering light uses 1157 and P21W bulb sizes according to the provided data. Information for the specific lighting components covers the period from 1978 through 1981.
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 |
|---|---|
| 1981 | 1157 |
| 1980 | P21W |
| 1978-1979 | 1157 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W |