GMC C6000 High Beam Indicator Bulb Size
The GMC C6000 high beam indicator utilizes bulb size 1445 and bulb size 168 for the specific lighting components located within the instrument cluster assembly. Available information covers the production range from 1979 through 1988 for the specified vehicle and lighting components.
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 |
|---|---|
| 1981-1988 | 1445 |
| 1980 | 1445 |
| 168 (Heavy Duty) | |
| 1979 | 1445 |
| 168 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 1445 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |