Use this 5-meter interconnect cable to connect your GHP Reactor autopilot CCU (course computer unit) to ECU (electronic control unit). Includes bare wire connections for alarm and optional Shadow Drive valve. ECU connector includes threaded collar for compatibility with ECU 12 and SmartPump systems. Compatible Devices:• GHP Reactor Hydraulic Core Pack with SmartPump• GHP Reactor Mechanical/Retrofit/Solenoid Core Pack Includes bare wire options for alarm Optional Shadow Drive valve | Garmin Interconnect Cable For Hydraulic/Mechanical GHP Reactor Autopilot