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3GHP 10 Marine Autopilot System Installation Instructions
The GHC 10
Use the GHC 10 to operate the GHP 10 autopilot system. Using the GHC 10, you engage and steer
the GHP 10. You also set up and customize the GHP 10 using the GHC 10. The GHC 10 connects to
a NMEA 2000 network to communicate with the CCU and with an optional NMEA 2000-compatible
GPS device (to use waypoint and route information). If a NMEA 2000-compatible GPS device is not
available, you can wire the GHC 10 to an optional NMEA 0183-compatible GPS device instead.
Garmin part number: 010-00688-00
Serial number
Cables and Connectors
The GHP 10 autopilot system contains multiple cables. These cables connect the components to power, to each other, to an alarm, and
to optional devices such as a NMEA 0183-compatible GPS device.
CCU/ECU Interconnect Cable
This cable connects the CCU to the ECU. A portion of this cable contains color-coded wires with bare ends. These wires connect the
CCU to the tachometer of your boat, to the Shadow Drive, and to the alarm. (Garmin part number: 010-11055-00)
The Alarm
The alarm is wired to the CCU and provides audible alerts from the GHP 10. See page 18. (Garmin part number: 010-11056-00)
ECU Power Cable
This cable powers the ECU. Wire this to the battery of your boat as one of the last connections made in the GHP 10 installation.
See page 24. (Garmin part number: 010-11057-00)
GHC 10 Power/Data Cable
This cable is included in the GHC 10 box. Wire this cable to the battery of your boat as one of the last connections made in the GHP
10 installation. This cable is used to wire to an optional NMEA 0183-compatible GPS device. See page 20.
(Garmin part number: 320-00023-07)
GHP 10 Package Contents and Tools Needed
The GHP 10 autopilot system consists of multiple components. Familiarize yourself with all of the components before beginning
installation. You must know how the components operate together in order to correctly plan the installation on your boat.
As you familiarize yourself with the GHP 10 components, conrm that your package includes the following items. All the components
except for the hydraulic pump are included in the GHP 10 core box. The pump is packaged separately. If any parts are missing, contact
your Garmin dealer immediately.
The Main Components
The GHP 10 autopilot system consists of ve main components: the Electronic Control Unit (ECU), the Course Computer Unit
(CCU), a hydraulic pump, the Shadow Drive
™
, and the GHC
™
10 user control interface.
The Course Computer Unit (CCU)
The CCU acts as the “brain” of the GHP 10. The CCU contains the sensory equipment used to determine
heading and engine speed. The CCU connects to the Electronic Control Unit (ECU), to the GHC 10, and
to the tachometer of your boat with a single cable. The CCU also connects to a NMEA 2000
®
network to
communicate with the GHC 10, and to an optional NMEA 2000-compatible GPS device.
Garmin part number: 010-11052-00
Serial number
The Electronic Control Unit (ECU)
The ECU connects to the CCU and to the pump. The ECU controls the pump based on information from
the CCU. The ECU powers both the CCU and the pump.
Garmin part number: 010-11053-00
Serial number
The Hydraulic Pump (and motor)
The hydraulic pump (and motor) steers your boat by interacting with the
hydraulic steering system, based on commands you enter using the GHC
10. The pump is not included in the GHP 10 core package box because
the type of pump you use with your GHP 10 is determined by the engine
and steering system of your boat. The pump is in a separate box.
Garmin part numbers: 010-11097-00 (2.0 L pump), 010-11098-00
(1.2 L pump), and 010-11099-00 (2.1 L pump)
Serial number
The Shadow Drive
The Shadow Drive is a sensor you install in the hydraulic steering lines of your boat. While the GHP 10 is
engaged, the Shadow Drive temporarily disengages the autopilot when you manually take control of the
helm. When you manually steer the boat in a straight line again, the Shadow Drive allows the autopilot to
resume control.
Garmin part number: 010-11054-00
Serial number
1.2 L/2.0 L Pump1.2 L/2.0 L Pump
2.1 L Pump2.1 L Pump