My lumber motor in drivers seat working but lumber not working. What next? on 2006 Lincoln Town Car

When I press the button under driver seat to operate lumber. I can feel the motor but its not catching so as to make the seat adjustable for lumber use. How can this be repaired?

Asked by for the 2006 Lincoln Town Car
you have several motors under seat one may be bad,test for pwr and ground
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1 more answer , 1 more comment
could be one of the cables fell off the motor or one is broken
Thanks for response. Do the seat have to come out to trace the wire that could be loose? Thnx