GMC Envoy XL Courtesy Bulb Size
The GMC Envoy XL uses a courtesy light with a unique bulb size of 194 for the interior lighting system. Data for the specific component covers the range from 2002 to 2006.
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 |
|---|---|
| 2002-2006 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |