This product is either discontinued or we cannot get that from suppliers.
Brand: Garmin, Model: 010-11055-30, Type: Cable, Colour: Black, Compatible: Electronic Control Unit (GHP SmartPump) / GHP 12 Autopilot System / GHP 20 Marine Autopilot System for Steer-by-wire / GHP 20 Marine Autopilot System with SmartPump / GHP SmartPump.
Connect your CCU (course computer unit) to your ECU (electronic control unit) with this 16 ft (5 m) cable. Part of the cable has color-coded wires with bare ends so you can connect the CCU to the alarm and GHC 10.