Cruise Control System: Wiring Diagram
WARNING: This page is about a different car, the 2015 Subaru Outback and 2015 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
Refer to "Cruise Control System" in the wiring diagram. <Ref. to SYSTEM WIRING DIAGRAMS - Legacy or SYSTEM WIRING DIAGRAMS - Outback , Cruise Control System.>