Quick Start Manual
GHP 20 Installation Instructions 19
Detach this checklist from the installation instructions and use it to assist with the GHP 20 installation process.
Read all installation instructions before installing the GHP 20. Contact Garmin Product Support if you have any questions during the installation
process.
1. Refer to the diagram and notes starting on page 6 to understand the necessary electrical and data connections.
2. Lay out all of the components rst. Check the cable lengths. Obtain extensions if necessary.
3. Mount the CCU by following the directions starting on page 5. Mount the CCU in a location free of magnetic interference. Use a
handheld compass to test for magnetic interference in the area. Mount the CCU in the bracket so that the wires hang straight
down.
4. Mount the GHC 10 by following the directions starting on page 5.
5. Connect the CCU to the steering system of the boat using the steering controller cable (page 7).
6. Connect the GHC 10 and the CCU to a NMEA 2000 network. Connect an optional NMEA 2000-compatible GPS device to the NMEA
2000 network (page 8).
7. Connect an optional NMEA 0183-compatible GPS device to the GHC 10 if a NMEA 2000-compatible GPS device is not available
(page 10).
8. Congure the GHP 20 system (page 11).
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Up, when installing on a
vertical surface