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6 GHP 10 Marine Autopilot System Installation Instructions
ENCODER
CCU
POWER
}
PUMP
GHP 10 General Wiring Outline
NMEA 2000 network (see page 30)
CCU
ECU
Pump
(compact 2.1 L pictured)
GHC 10
Shadow Drive
Alarm buzzer
Boat tachometer
Yellow CCU signal wire (see page 29)
For CCU bare-wire connections, see page 26.
For tachometer wiring,
see page 27
Orange - unconnected
Red (+)
White (+)
Red (+)
Blue (-)
Black (-)
Black (-)Black (-)
Brown (+)
Red (+)
Black (-)
12 Vdc*-40 A fuse.
See page 33 for
cable size and length
requirements.
NMEA 2000 power cable
9–16 Vdc
3 A fuse
Red (+)
Black (-)
Drain (-)
Ignition or
in-line switch
Yellow CCU signal wire
(see page 29)
CCU/ECU Interconnect cable
Black (-)
CCU ground
Notes:
This diagram is for planning purposes only. Specic wiring diagrams are included in the detailed installation instructions for
each component. Hydraulic connections are not shown in this diagram.
If your boat uses an electrical system that provides more than 12 Vdc, or if you sporadically receive tachometer errors, install an
external tachometer lter (010-11399-00). Contact your local Garmin dealer or Garmin product support for more information.
Connect an optional NMEA 0183-compatible GPS device to the data cable on the GHC 10. See page 32 for more information.
Connect an optional NMEA 2000-compatible GPS device to the NMEA 2000 network. See page 32 for more information.
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* Newer ECU units are compatible with 24 Vdc systems. See page 25 for more information.* Newer ECU units are compatible with 24 Vdc systems. See page 25 for more information.