GMC R2500 Radio Display Bulb Size
The GMC R2500 radio display requires a bulb with the unique size 1893 for proper illumination. Data for the specific component covers the range from 1987 to 1989.
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 |
|---|---|
| 1987-1989 | 1893 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |