2003 trailblazer electrical issues


Original poster
Feb 18, 2013
ok hello all im new here but was told how good everyone here is, so here i go:

i have a 2003 Chevy trailblazer 6 cyl here is the issue,'
just to recap
when i start my car and put it in gear all the doors lock, been doing that for years, now all of a sudden that doesn't happen, even when i stop and put the car in park if the door was locked it stays locked, also i hear a clicking noise that is pretty consistent all the time,sometimes the interiro light flash and the door locks open and shut. i now find that when that noise is present my tail lights also blink, and no its not my flasher they flash when selected, So reading on the internet i t said if you unplug the battery for 1 hr you can reset the the computer, I thought this was a good Idea but it wasn't, now i still have the same issues plus my after market radio stopped working, totally dead? an clues guys im at my wits end

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