Makes · Chevrolet · TrailBlazer
2003 Chevrolet TrailBlazer bulb size chart
Catalog bulb positions and codes for the 2003 Chevrolet TrailBlazer. Confirm against your owner’s manual before buying.
Bulb chart
Exterior signal & marker
| Position | Bulb |
|---|---|
| Back Up Reverse Light Bulb | 3157 |
| Brake Light Bulb | 3157R |
| Center High Mount Stop Light Bulb | LED |
| Daytime Running Light Bulb | 9005 |
| License Plate Light Bulb | 2825, 98 |
| Parking Light Bulb | 3757A |
| Side Marker Light Bulb Front | 194NA |
| Tail Light Bulb | 3157R |
| Turn Signal Light Bulb Front | 3757A |
| Turn Signal Light Bulb Rear | 3157 |