GMC 1000 Series Instrument Panel Bulb Size
The GMC 1000 Series instrument panel uses bulb size 53 and bulb size 161 for illumination. Data for the specific components covers the period from 1960 through 1965.
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 |
|---|---|
| 1965 | 53 |
| 1964 | 161 |
| 1960-1963 | 53 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 53 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 1W. | 161 |