Chevrolet Trailblazer Courtesy Bulb Size
The Chevrolet Trailblazer courtesy light uses 194 and 12961 bulb sizes for the interior lighting system. Data for the specified components covers the period from 2002 through 2024.
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
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2024 | 194 | W5W | Check Price |
| 2023 | 12961 | 12961 | Check Price |
| 2021 | 194 | W5W | Check Price |
| 2002-2005 | 194 | W5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W. | W5W | Check Price |
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 | Check Price |