GMC FC100 Brake Bulb Size
The GMC FC100 brake light requires a 1129 bulb size for the specific lighting components. Data for the bulb specifications covers the range from 1950 to 1952.
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 |
|---|---|
| 1950-1952 | 1129 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1129 |