White/GMC WCM Instrument Panel Bulb Size
The White/GMC WCM instrument panel utilizes 168 and 1895 bulb sizes for the internal illumination components. Data for the specified vehicle covers the period from 1988 through 1994.
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 |
|---|---|
| 1989-1994 | 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 |