03 GMC YUKON 4WD LOW BLINKS WHEN TRY TO ENGAGE

2003 GMC YUKON
119,663 MILES
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HEBERLINGNORMAN
  • MEMBER
  • 1 POST
trys to engage 4x4
Mar 2, 2012 at 9:13 PM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Something is wrong with the 4WD controls causing it to malfunction and it could be something electrical or a disconnected vacuum line.
Mar 2, 2012 at 9:41 PM
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