Chevrolet TrailBlazer bulb size chart
Headlight, fog, signal, and interior bulb sizes for the Chevrolet TrailBlazer (2002 – 2022). Pick a year for the full chart, or scan the position matrix below.
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2002 – 2022 Chevrolet TrailBlazer light bulb chart
Years with the same bulb layout are grouped into columns. Cells link to bulb type pages; open a year for the full position list.
| Position | 2002 | 2003 - 2005 | 2006 - 2009 | 2021 - 2022 |
|---|---|---|---|---|
| Fog Light | 880 | 880 | 880, 893 | LED |
| High Beam | 9005 | 9005 | 9005 | H9 |
| Low Beam | — | — | — | 9005 |
| Back Up | — | 3157 | 3157 | — |
| Back Up Light Bulb | — | — | — | 921 |
| Brake | — | 3157R | 3157R | 7440 |
| Center Stop | — | LED | LED | LED |
| DRL | — | 9005 | 9005 | — |
| License Plate | — | 2825, 98 | 2825, 98 | LED |
| Parking | — | 3757A | 3757A | LED |
| Side Marker Front | — | 194NA | 194NA | LED |
| Side Marker Rear | — | — | — | LED |
| Tail Light | — | 3157R | 3157R | 168, 7440 |
| Turn Signal | — | 3757A | 3757A | 7440 |
| Turn Signal Rear | — | 3157 | 3157 | 7440 |
| Courtesy | — | 194, 7441 | 194, 7441 | — |
| Dome Light | — | 212-2 | 212-2 | 2825 |
| Glove Box | — | 194, 7441 | 194, 7441 | 168 |
| Map Light | — | 194, 7441 | 2825, 98 | 194, 2825 |
| Trunk Area | — | 212-2 | 212-2 | 194 |
| Vanity Mirror | — | 37 | 7065 | — |