GMC C3500 Radio Display Bulb Size
The GMC C3500 radio display requires a single bulb size of 1893 for the internal illumination component. Data for the specific bulb requirements covers the range from 1985 to 1991.
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 |
|---|---|
| 1988-1991 | 1893 |
| 1985-1986 | 1893 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |