1994 GMC Jimmy no 4 wheel drive

1994 GMC JIMMY
165,000 MILES • V12 • 4WD • AUTOMATIC
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[email protected]
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  • 1 POST
sounds like my 4 wheel drive is engaging but it wont lock in
Jan 12, 2008 at 5:01 PM
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MASTERTECHTIM
  • CERTIFIED EXPERT
  • 4,750 POSTS
check the vacuum switch on top of your transfer case. this switch engages the front differential after the transfer case is engages. let us know if this helps.
Jan 12, 2008 at 5:24 PM