Hello XXXXX'm Chris, a current Ford Lincoln Mercury employee.
Thanks for visiting Just Answer. I will do my very best to help you resolve your concerns.
You can buy aftermarket ones which are manual only or you can buy ford ones to work auotmatically with your dash mounted 4x4 selector or you can buy ford ones for the floor mounted 4x4 shifter which are manually operated. All will work on this vehicle.
Have not heard back from you, so I assume you are needing more assistance on this matter, if so please do reply so I can finish this question