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I have a 2003 trailblazer and my stepdaughters use it to drive to the bus stop everyday its about 1.5 miles one way the other day they went to start it and it wouldnt start it cranks but not starts. I dont hear the fuel pump come on when i turn the key on so i thought it may be a fuel pump problem but i pulled the relay and put a jumper in to try and make the fuel pump come on it worked but still wouldnt start i changed out the relay still dosent pump fuel any help would be very much appreciated.
 

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2003 Chevrolet Trailblazer 4wd,4.2L,Indigo Blue Metallic
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My 03 Trailblazer had a no crank,no start issue where my fuel pump would not cut on when I turned the key over.
I replaced the ignition switch module in the steering column and it solved the problem. Easy fix,$36.00 in stock at my local Advance Auto.
 
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