GMC K2500 Cornering Bulb Size
The GMC K2500 cornering light uses 2456, 3156, and 1156 bulb sizes depending on the specific application. Data for the lighting components covers the period from 1980 through 1997.
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 |
|---|---|
| 1995-1997 | 2456 |
| 1994 | 3156 |
| 1993 | 2456 |
| 1980 | 1156 (With 2 Round Headlamps) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon bulb, specialty application. 12V. | 2456 |
| ANSI standard (US & Canada). Single-filament wedge bulb (T25). 12V, 27W. | 3156 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 |