Installation Instructions
Table Of Contents
- Important Safety Information
- Mounting Considerations
- Connection Considerations
- Specifications
GPSMAP
®
7X3/9X3/12X3
INSTALLATION
INSTRUCTIONS
Important Safety Information
WARNING
Failure to follow these warnings, cautions, and notices could
result in personal injury, damage to the vessel or device, or poor
product performance.
See the Important Safety and Product Information guide in the
product box for product warnings and other important
information.
When connecting the power cable, do not remove the in-line
fuse holder. To prevent the possibility of injury or product
damage caused by fire or overheating, the appropriate fuse
must be in place as indicated in the product specifications. In
addition, connecting the power cable without the appropriate
fuse in place voids the product warranty.
CAUTION
To avoid possible personal injury, always wear safety goggles,
ear protection, and a dust mask when drilling, cutting, or
sanding.
To avoid possible personal injury or damage to the device and
vessel, disconnect the vessel's power supply before beginning
to install the device.
To avoid possible personal injury or damage to the device or
vessel, before applying power to the device, make sure that it
has been properly grounded, following the instructions in the
guide.
NOTICE
For the best possible performance, the device must be installed
according to these instructions.
When drilling or cutting, always check what is on the opposite
side of the surface to avoid damaging the vessel.
Read all installation instructions before proceeding with the
installation. If you experience difficulty during the installation,
contact Garmin
®
Product Support.
Tools Needed
• Drill
• Drill bits appropriate for the device and mounting style
Mounting style Drill bit sizes
Bail with included wood screws 3 mm (
1
/
8
in.)
Flush for the corner of the cutout GPSMAP 7x3: 6.5 mm (
1
/
4
in.)
GPSMAP 9x3: 7.4 mm
(
5
/
16
in.)
GPSMAP 12x3: 13.5 mm
(
9
/
16
in.)
Flush with included wood screws 3.5 mm (
9
/
64
in.)
Flush with included machine
screws and nut plates
3.5 mm (
9
/
64
in.)
3 mm (
1
/
8
in.)
Flush with included machine
screws and tapped holes
M3 tap
• #2 Phillips screwdriver
• Jigsaw or rotary tool
• File and sandpaper
• Marine sealant (recommended)
GPSMAP 7x3 and GPSMAP 9x3 Connector View
POWER Power and NMEA
®
0183 network
NETWORK Garmin Marine Network
J1939 J1939 engine network
Ground screw
CVBS IN Composite video in
SONAR 12-pin transducer (Not available on all models)
USB Micro-USB for compatible Garmin card reader
NMEA 2000 NMEA 2000
®
network
2 microSD
®
memory card slots, 32 GB max.
GPSMAP 12x3 Connector View
POWER Power and NMEA 0183 network
SONAR 12-pin transducer (Not available on all models)
HDMI HDMI
®
video out
CVBS IN Composite video in
USB Micro-USB for compatible Garmin card reader
GUID-BF2FF273-008A-482A-A96F-362ADA8996BA v1October 2020








