Fourwheel drive not working on 94 Yukon?!?!

Discussion in 'The Garage' started by OffRoader93, Jan 5, 2006.

  1. OffRoader93

    OffRoader93 1/2 ton status

    Nov 30, 2002
    Likes Received:
    The fourwheel drive is not working on my 94 GMC Yukon. The transfer case is engaging and spinning the driveshafts fine. The electrical deal that locks the front diff is working, and I also tried to engage the diff by taking off the electrical device and doing it with an extension. It doesn't seem to lock in. Is there something that is common to break in the differential of these vehicles? I am lost? Any help would be great. Thanks.


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