Your 2003 Chevrolet trailblazer radio probably cut though because of a loose or corroded ground wire. The positive wire may also be loose.
how unlock radio on trailblazer 2003
Front hubs my be wearing out.
Value of a 2003 Trailblazer w130,000 miles
A/C compressor not running
Where is the input aux for a 2003 trailblazer
how do you set the clock on a 2003 chevrolet trailblazer
check the fuses..
Where is the neutral safety switch on a 2003 trailblazer?
yes
Check the battery. Seems odd but give it a jump and it should start.
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Possibly just an adjustment on the rockers. Hydraulic system. Hopefully that's it.