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31GHP 10 Marine Autopilot System Installation Instructions
4. Route the included drop cable to the bottom of the T-connector you added to your NMEA 2000 network.
If the included drop cable is not long enough, you can use a drop cable up to 20 ft. (6 m) long (not included).
5. Connect the drop cable to the T-connector you added in step 3, and to the CCU.
6. Do not power the NMEA 2000 network on until all of the GHP 10 components are installed correctly. (See page 33.)
Notice
If you have an existing NMEA 2000 network on your boat, it should already be connected to power. Do not connect the included
NMEA 2000 power cable to an existing NMEA 2000 network, because only one power source should be connected to a NMEA 2000
network.
Notes:
The GHC 10 is powered by the NMEA 2000 network.
The GHC 10 must also connect to the CCU with the yellow CCU signal wire in the GHC 10 data cable and the black ground
wire must be connected to CCU ground.
To add additional sensors to your NMEA 2000 network, follow the instructions included with the sensor.
To create a basic NMEA 2000 Network for the GHC 10 and the CCU:
1. Connect the three T-connectors together by their sides.
2. The included NMEA 2000 power cable must be connected to a 12 Vdc power source through a switch. Connect to the ignition
switch of the boat if possible, or through an appropriate additional switch (not included).
3. Connect the NMEA 2000 power cable to one of the T-connectors.
4. Connect one of the included NMEA 2000 drop cables to one of the T-connectors and to the GHC 10.
5. Connect the other included NMEA 2000 drop cable to the remaining T-connector and to the CCU.
6. Connect the appropriate terminators to each end of the combined T-connectors.
7. Do not power the NMEA 2000 network on until all of the GHP 10 components are installed correctly. (See page 33.)
Notice
You must connect the included NMEA 2000 power cable to the boat ignition switch, or through another in-line switch. The GHC 10
will drain your battery if it is connected directly.
Creating a Basic NMEA 2000 Network for the GHC 10 and the CCU
+
-
Drop cables
Male
terminator
T-connectors
Female
terminator
Power cable
Ignition or
in-line switch
12 Vdc battery
Fuse
GHC 10
CCU
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•
•