Chevrolet Avalanche Seat Not Moving

I Am Looking For Direction To Find Out Why There Is No Power To The Switches. I Tested The Switches With The Passenger Side And They Worked...

Driver's Side Power Seat Will Not Move Up And Down; All Other Functions Of The Power Seat Work; I Can Hear The Motor Humming When Trying To...

I Just Bought The Vehicle Listed Above, And The Seats Don't Want To Move. I Saw That One Plug Underneath The Driver's Side Had Been...

Divers Seat Was Working Fine Then Intermittently Then Stopped Working Completely. Need Some Help With Wiring Diagrams And Where To Test For...