190-01115-01
G3X/G3X Touch Installation Manual - GDU 37X Installation
Rev. AC
Page 6-4
6.4 Unit Installation
Fabrication of a wiring harness is required. Sound mechanical and electrical methods and practices are
recommended for installation of the GDU 37X. Refer to
for wiring considerations, and to
for pinouts.
Connector kits include backshell assemblies. Garmin’s backshell connectors give the installer the ability
to quickly and easily terminate shield grounds at the backshell housing. The instructions needed to
assemble the backshell connector w/Shield Block grounding system are located in
.
NOTE
The GDU 37X rear connector (J3701) is electrically isolated. For installations using
shielded cables, a ground pin must be tied to the connector shell (Figure 6-3).
Figure 6-3 Grounded Connector Shell
6.5 Antennas
Refer to
for antenna information.
NOTE
GDU 37X units cannot be used with GA 35, GA 36, or GA 37 antennas.
6.6 Mounting Requirements
Refer to
for outline and installation drawings.
6.6.1 Unit Installation
The GDU 37X is installed by holding the unit flush with the instrument panel and fastening the four
captured 3/32” hex socket head screws to the panel as shown in
.
6.6.2 Panel Cutout Template
can be used as a template when marking the panel for cutout. Dimensions on the figure are to
verify accuracy of printout only, see
for complete cutout dimensions. A .dxf version of the
drawing is also available for download at
www.garmin.com.
GDU 37X
GDU 37X
SIGNAL GROUND 35
SIGNAL GROUND 35
P3701
P3701
GARMIN SHIELD
GARMIN SHIELD
BLOCK GROUND
BLOCK GROUND
