01' Blazer 4x4 issue

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Old 12-02-08, 10:27 AM
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01' Blazer 4x4 issue

01' Blazer 4x4
4.3 liter v6
Automatic

When I press any of the 4 wheel drive buttons "4hi, 4lo, 4whl auto" I hear a relay click behind the dash on the passanger side but the 4 wheel drive does not engage and which ever 4 whl option I pressed the light just flashes. If I then press the 2 whl drive button it returns to the 2 whl drive solid yellow light.
 
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Old 12-02-08, 12:02 PM
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I think it may be fixed. I found a broken vacuum line in the top center of the firewall and repaired it. Started it up and pushed the 4x4 button and it went into 4 whl drive and the light went solid.
 
 

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