Chevrolet TrailBlazer 2006 Bulb Size
Bulb size chart
This page for the 2006 Chevrolet TrailBlazer helps you verify the correct bulb size by lighting position, so you can match the right lamp to the right socket before you buy. Whether you are replacing an exterior signal bulb, a cabin light, or a cargo-area lamp, checking the bulb chart by location reduces guesswork and makes the job faster.
The 2006 TrailBlazer uses a mix of halogen and small interior bulbs, and some positions may vary by trim, body style, or lighting package. Use the listings on this page as a practical reference for common fitments such as headlights, parking lights, brake lights, reverse lights, and courtesy lighting on this model year.
For best fitment, compare the bulb type on the vehicle with the chart before ordering, especially if your TrailBlazer has a different trim or an optional lighting package. Some owners also convert certain halogen bulbs to LED, but LED replacements may change brightness, beam pattern, or warning behavior, so it is important to choose compatible parts and verify polarity where needed. Aftermarket conversions can work well for interior and some exterior positions, but the safest approach is to check the installed bulb first and confirm the base style before purchase.
FAQ
What is the high beam bulb size for a 2006 Chevrolet TrailBlazer?
The high beam bulb size listed for the 2006 Chevrolet TrailBlazer is 9005.
What bulb does the daytime running light use on this TrailBlazer?
The daytime running light bulb size is 9005.
What is the front turn signal bulb size on a 2006 TrailBlazer?
The front turn signal bulb size is 3757A.
What bulb is used for the front parking light?
The front parking light bulb size is 3757A.
What is the rear turn signal bulb size?
The rear turn signal bulb size is 3157.
What bulb fits the brake light on this model year?
The brake light bulb size listed for the 2006 Chevrolet TrailBlazer is 3157R.
What bulb is used for the tail light?
The tail light bulb size is 3157R.
What is the reverse light bulb size?
The back up reverse light bulb size is 3157.
What bulb fits the front side marker light?
The front side marker light bulb size is 194NA.
What are the fog light bulb sizes for the TrailBlazer?
The front fog light bulb size is 880 for LS models and 893 for SS models.
What bulb is used for the license plate light?
The license plate light bulb size is 2825 or 98.
What bulb fits the map light and glove box light?
Both the map light and glove box light use 2825 or 98 bulbs.
What bulb is used for the dome light and cargo area light?
The dome light and trunk or cargo area light use 212-2 bulbs.
Does the center high mount stop light use a standard bulb?
The center high mount stop light is listed as LED on this page, so it is not shown as a standard replaceable halogen bulb size.
Why might bulb fitment vary on a 2006 Chevrolet TrailBlazer?
Trim level, body style, and lighting package can change the bulb used in certain positions, so it is smart to confirm the installed bulb before ordering.
Should I choose halogen or LED replacements?
Either can work depending on the position, but LED upgrades should be checked for fit, brightness, and compatibility with the original housing and electrical system.