ok..i have 1999 f150 lariat 4x4 supercab and its got some problems. i can not find a transfer case motor exactly like the one that came stock with the truck. the ground wire connected to it comming from the transmission ..i need that.. because every time i get connected a new one from the auto shop made for this truck it donsent work...but the one from the ground wire does..it makes 5 clicks on the dash when i try to engage it but nothing comes on the dash...i need help please if anybody has any good info