Shift on the fly 4WD system not working on Lincoln Mark LT

The shift on the fly 4WD system may stop working due to a failed transfer case motor. Replacing the Transfer case motor commonly corrects this issue.

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Average mileage: (–)
Drive Train affected: 4WD
1 model year affected: 2006
2 people reported this problem
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problem details
My 2006 lincoln mark lt 4x4 is stuck. Resolved vaccum issues but still cant get out of4x4. I suspect now electrical or t-case motor issues ahead.