If you have jumped it out recently you arched it, or you jumped it from the fuse box, you need to replace the main fuse under the hood cost $3.00, I recently had to do this, it is easy and cheap
check the fuses..
push the little button right under your light switch
how do you remove dome light lens on 2008 trailblazer
Yes, the ignition on a trailblazer can cause head lights to work improperly.
have your battery and alternator checked but first check to see if switch for your dash lights are just turned to dim
how
If you brake lights are not working on your trailblazer it could be due to a number of reasons. Your fuse could be blown, or your light may no longer work.
This could be tricky as it may require the airbag to be disabled. I have not heard of this particular problem however somebody on our enthusiasts forum may be able to help! www.trailvoy.com all the answers for your Trailblazer
THE LIGHTS ON THE RADIO ON THE LEFT SIDE ARE NOT LUMINATED. WHAT DO I NEED TO DO TO FIX THIS PROBLEM?
yes
Probably a weak battery.
It is for the trailer running lights.