The 2005 Chevrolet Trailblazer has what they call halogen capsule headlights, meaning the bulb is separate from the lens housing. So, you only need to change the bulb(s).
2005 Chevrolet Trailblazer headlight bulb replacement: Purchase the correct replacement headlight bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the headlight bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
try this website --->www.trailvoy.com<--- they have alot of stuff to help you with your trailblazer i should know im a member my self i have a 2003 Chevy trailblazer Lt www.trailvoy.com
Come to our enthusiasts forum and find out www.trailvoy.com
It pulls off. Sometimes easier to remove the headlight assembly to change the bulb. We have instructions at our forum. www.trailvoy.com Trailblazer enthusiasts!
for detailed instructions visit www.trailvoy.com
need help changing the belts on my Chevy trailblazer lt 2003
How do you change the spark plugs on a 2002 chavy trailblazer
Here you go. Step By Step Directions provided by www.Trailvoy.com http://forums.trailvoy.com/articles.php?do=viewarticle&artid=8
the air box by the right headlight has three quarter turn screws remove, lift up ,and replace. easy
There are several things that can cause your 2004 Chevy Trailblazer headlights to keep going out. The most common cause is a loose or corroded ground wire.
how do you change a lightbulb in a chevy cobalt?
remove and replace engine coolant temperature(ect)/chevy 2004 trailblazer
Call someone