WARNING: This page is about a different car, the 2011 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Climate Controlled Seats Circuit Diagram - 2nd Row Heated Seats Only (1 Of 2)
Courtesy of FORD MOTOR CO.
Fig 2: Climate Controlled Seats Circuit Diagram - 2nd Row Heated Seats Only (2 Of 2)