White/GMC WCS Instrument Panel Bulb Size
The White/GMC WCS instrument panel utilizes 168 and 1895 bulb sizes for illumination across the various components. Data for the specified lighting components covers the 1988 to 1991 range.
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 |
|---|---|
| 1990-1991 | 168 |
| 1988-1989 | 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 |