
8 GHP 10 Installation Instructions
NMEA 2000 network
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NOTE: This diagram is for planning purposes only. Specic connection diagrams are included in the detailed installation instructions for each
component. Hydraulic connections are not shown in this diagram.
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GHC 20 In order for the autopilot to turn on, the yellow wire from the GHC 20 data cable must be connected to the yellow wire
from the CCU/ECU interconnect cable, and the black wire from the GHC 20 data cable must be connected to the
same ground as the ECU (page 12).
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CCU The CCU must be installed in the front half of the boat, no higher than 10 ft. (3 m) above the waterline.
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NMEA 2000 network The GHC 20 and the CCU must be connected to the NMEA 2000 network using the included T-connectors (page 12).
If there is not an existing NMEA 2000 network on your boat, you can build one using the supplied cables and
connectors (page 13).
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12-24 Vdc battery The ECU can be connected to a 12–24 Vdc power source.
The NMEA 2000 power cable must be connected to a 9–16 Vdc power source.
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ECU The ECU can be connected to either a 12 or a 24 Vdc battery.
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