White/GMC WHM Instrument Panel Bulb Size
The White/GMC WHM instrument panel utilizes bulb sizes 168 and 1895 for illumination across various configurations. Data for the specified components covers the range from 1988 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 |
|---|---|
| 1991 | 168 |
| 1989 | 168 |
| 1988 | 1895 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W. | 1895 |