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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.
remove and replace engine coolant temperature(ect)/chevy 2004 trailblazer
Seeing as your not that savvy.. take it to a 'lube shop let them change your oil
see "how too replace water pump on 2002 Trailblazer"
Where is the starter on a 2004 Chevy trailblazer.
If your Chevy trailblazer 2004 gauges are not working, check your fuel pump.
The 2004 Chevy Trailblazer holds 7 quarts of oil.
where is map sensor on 2004 trailblazer
Trailblazer enthusiasts will cover all the subjects including brake jobs at www.trailvoy.com
Visit www.trailvoy.com for a complete answer to the fan clutch change with pictures.
I need a diagram for the vacuum lines on a 2004 Chevy trailblazer
www.trailvoy.com All the answers for your truck in almost real time. Moderated by enthusiasts to solve your problems quickly and free! Any assistance would be greatly appreciated! ~Cathleen