GMC Brigadier High Beam Indicator Bulb Size
The GMC Brigadier high beam indicator uses bulb size 1445 or 158 depending on the specific version required for the instrument panel. Data for the bulb sizes covers the range from 1984 to 1988.
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 |
|---|---|
| 1987-1988 | 1445 (Tiltmaster) |
| 1984-1986 | 158 (Tiltmaster) |
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, 3W. | 158 |