Garmin GHP 12 Autopilot System Installation Instructions - Page 4

Tools Needed

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CCU/ECU Interconnect Extension Cables When installing the GHP 12 system, you may need to mount the CCU farther than 16 ft. (5 m) from the ECU. Garmin offers optional replacement or extension cables for purchase if this is necessary. Type Replacement Replacement Extension Extension Extension Length 32 ft. (10 m) 66 ft. (20 m) 16 ft. (5 m) 50 ft (15 m) 82 ft. (25 m ) Contact your local Garmin dealer or Garmin Product Support for ordering information. Alarm The alarm provides audible alerts from the GHP 12 (page 11). NMEA 2000 Cables and Connectors The NMEA 2000 cables connect the CCU and the GHC 20 to the NMEA 2000 network. Either connect the CCU and the GHC 20 to an existing NMEA 2000 network using the included T-connectors and drop cables, use all of the included NMEA 2000 cables and connectors to build a NMEA 2000 network on your boat if needed (page 12). ➊ ➋ ➌ ➍ ➎ ECU Power Cable This cable powers the ECU (page 10). GHC 20 NMEA 0183 Data Cable This cable connects the GHC 20 to the yellow wire of the CCU, and to the same ground as the ECU (page 12). This cable can also be used to connect the GHC 20 to optional NMEA 0183-compatible devices (page 14). ➊ NMEA 2000 drop cable, 6 ft. (2 m) (×2) ➋ NMEA 2000 power cable ➌ NMEA 2000 T-connector (×3) ➍ NMEA 2000 terminator, male ➎ NMEA 2000 terminator, female NMEA 2000 Extension Cables NMEA 2000 extension cables are available if needed. Contact your local Garmin dealer or Garmin Product Support for ordering information. Tools Needed • Safety glasses • Drill and drill bits • 3 1/2 in. (90 mm) hole saw • Wire cutters/strippers • Phillips and flat screwdrivers • Cable ties • Waterproof wire connectors (wire nuts) or heat-shrink tubing and a heat gun • Marine sealant • Portable or handheld compass (to test for magnetic interference when determining the best location to install the CCU) • Anti-seize lubricant (optional) Note: Mounting screws are provided for the GHC 20, for the CCU, for the ECU, and for the pump. If the provided screws are not appropriate for the mounting surface, you must provide the correct types of screws. 4 GHP 12 Installation Instructions

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GHP 12 Installation Instructions
CCU/ECU Interconnect Extension Cables
When installing the GHP 12 system, you may need to mount the
CCU farther than 16 ft. (5 m) from the ECU. Garmin offers optional
replacement or extension cables for purchase if this is necessary.
Type
Length
Replacement
32 ft. (10 m)
Replacement
66 ft. (20 m)
Extension
16 ft. (5 m)
Extension
50 ft (15 m)
Extension
82 ft. (25 m )
Contact your local Garmin dealer or Garmin Product Support for
ordering information.
Alarm
The alarm provides audible alerts from the GHP 12 (
page 11
).
ECU Power Cable
This cable powers the ECU (
page 10
).
GHC 20 NMEA 0183 Data Cable
This cable connects the GHC 20 to the yellow wire of the CCU, and to
the same ground as the ECU (
page 12
). This cable can also be used to
connect the GHC 20 to optional NMEA 0183-compatible devices (
page
14
).
NMEA 2000 Cables and Connectors
The NMEA 2000 cables connect the CCU and the GHC 20 to the
NMEA 2000 network. Either connect the CCU and the GHC 20 to an
existing NMEA 2000 network using the included T-connectors and drop
cables, use all of the included NMEA 2000 cables and connectors to
build a NMEA 2000 network on your boat if needed (
page 12
).
➊
➋
➌
➍
➎
➊
NMEA 2000 drop cable, 6 ft. (2 m) (×2)
➋
NMEA 2000 power cable
➌
NMEA 2000 T-connector (×3)
➍
NMEA 2000 terminator, male
➎
NMEA 2000 terminator, female
NMEA 2000 Extension Cables
NMEA 2000 extension cables are available if needed. Contact
your local Garmin dealer or Garmin Product Support for ordering
information.
Tools Needed
•
Safety glasses
•
Drill and drill bits
•
3
1
/
2
in. (90 mm) hole saw
•
Wire cutters/strippers
•
Phillips and flat screwdrivers
•
Cable ties
•
Waterproof wire connectors (wire nuts) or heat-shrink tubing and a
heat gun
•
Marine sealant
•
Portable or handheld compass (to test for magnetic interference
when determining the best location to install the CCU)
•
Anti-seize lubricant (optional)
NOTE
: Mounting screws are provided for the GHC 20, for the
CCU, for the ECU, and for the pump. If the provided screws are not
appropriate for the mounting surface, you must provide the correct
types of screws.