Question about 2003 Chevrolet Blazer

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2003 Chevy Blazer won't go into 2WD from 4Hi unless the truck is turned off first.

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Hi :) Check to see if the relay module behind the kick panel is ok or the wire that go into it are corroded here are some pictures of where it it on the righjt hand side of the trucks floor area.

2003 Chevy Blazer won't go into 2WD from 4Hi - j_chris_ward_17.jpgj_chris_ward2003 Chevy Blazer won't go into 2WD from 4Hi - j_chris_ward_19.jpgij_chris_ward_19.jpgj_chris_ward_20.jpg

Posted on Mar 28, 2011

  • Chris  Ward
    Chris Ward Apr 01, 2011

    Could also be the vaccum switch under the battery not disengaging till the vaccum pressure is turned off a disconnected or collaped vaccum line could do this.

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